Home / 5,761.66-8,635.20-3,680.86

Finding the Fourth Proportional to 5,761.66, 8,635.20 and 3,680.86

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Solution

The fourth proportional to 5,761.66, 8,635.20 and 3,680.86 is: 5,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.66 : 8,635.20 = 3,680.86 : x
  2. Step 2: Convert to fraction form
    5,761.66/8,635.20 = 3,680.86/x
  3. Step 3: Cross multiply
    5,761.66x = 8,635.20 × 3,680.86
  4. Step 4: Simplify right side
    5,761.66x = 31,784,962.27
  5. Step 5: Solve for x
    x = 31,784,962.27/5,761.66
  6. Step 6: Final answer
    x = 5,516.63

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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.