Home / 6,290.61-8,682.26-4,166.19

Finding the Fourth Proportional to 6,290.61, 8,682.26 and 4,166.19

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Solution

The fourth proportional to 6,290.61, 8,682.26 and 4,166.19 is: 5,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.61 : 8,682.26 = 4,166.19 : x
  2. Step 2: Convert to fraction form
    6,290.61/8,682.26 = 4,166.19/x
  3. Step 3: Cross multiply
    6,290.61x = 8,682.26 × 4,166.19
  4. Step 4: Simplify right side
    6,290.61x = 36,171,923.96
  5. Step 5: Solve for x
    x = 36,171,923.96/6,290.61
  6. Step 6: Final answer
    x = 5,750.15

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Double scale
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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.