Home / 5,685.71-8,524.91-3,925.78

Finding the Fourth Proportional to 5,685.71, 8,524.91 and 3,925.78

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Solution

The fourth proportional to 5,685.71, 8,524.91 and 3,925.78 is: 5,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.71 : 8,524.91 = 3,925.78 : x
  2. Step 2: Convert to fraction form
    5,685.71/8,524.91 = 3,925.78/x
  3. Step 3: Cross multiply
    5,685.71x = 8,524.91 × 3,925.78
  4. Step 4: Simplify right side
    5,685.71x = 33,466,909.68
  5. Step 5: Solve for x
    x = 33,466,909.68/5,685.71
  6. Step 6: Final answer
    x = 5,886.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.