Home / 6,043.35-8,339.78-3,390.75

Finding the Fourth Proportional to 6,043.35, 8,339.78 and 3,390.75

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Solution

The fourth proportional to 6,043.35, 8,339.78 and 3,390.75 is: 4,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,043.35 : 8,339.78 = 3,390.75 : x
  2. Step 2: Convert to fraction form
    6,043.35/8,339.78 = 3,390.75/x
  3. Step 3: Cross multiply
    6,043.35x = 8,339.78 × 3,390.75
  4. Step 4: Simplify right side
    6,043.35x = 28,278,117.51
  5. Step 5: Solve for x
    x = 28,278,117.51/6,043.35
  6. Step 6: Final answer
    x = 4,679.21

Related Problems

Find fourth proportional to 3,021.67, 4,169.89 and 1,695.38
Half scale
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Double scale
Find fourth proportional to 6,044.35, 8,341.16 and 3,391.75
Similar ratio
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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.