Home / 8,617.26-12,925.17-3,421.74

Finding the Fourth Proportional to 8,617.26, 12,925.17 and 3,421.74

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Solution

The fourth proportional to 8,617.26, 12,925.17 and 3,421.74 is: 5,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.26 : 12,925.17 = 3,421.74 : x
  2. Step 2: Convert to fraction form
    8,617.26/12,925.17 = 3,421.74/x
  3. Step 3: Cross multiply
    8,617.26x = 12,925.17 × 3,421.74
  4. Step 4: Simplify right side
    8,617.26x = 44,226,571.20
  5. Step 5: Solve for x
    x = 44,226,571.20/8,617.26
  6. Step 6: Final answer
    x = 5,132.32

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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.