Home / 6,185.26-8,535.64-3,390.76

Finding the Fourth Proportional to 6,185.26, 8,535.64 and 3,390.76

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Solution

The fourth proportional to 6,185.26, 8,535.64 and 3,390.76 is: 4,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.26 : 8,535.64 = 3,390.76 : x
  2. Step 2: Convert to fraction form
    6,185.26/8,535.64 = 3,390.76/x
  3. Step 3: Cross multiply
    6,185.26x = 8,535.64 × 3,390.76
  4. Step 4: Simplify right side
    6,185.26x = 28,942,306.69
  5. Step 5: Solve for x
    x = 28,942,306.69/6,185.26
  6. Step 6: Final answer
    x = 4,679.24

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Find fourth proportional to 3,092.63, 4,267.82 and 1,695.38
Half scale
Find fourth proportional to 12,370.52, 17,071.28 and 6,781.52
Double scale
Find fourth proportional to 6,186.26, 8,537.02 and 3,391.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.