Home / 8,397.15-12,597.55-2,553.61

Finding the Fourth Proportional to 8,397.15, 12,597.55 and 2,553.61

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Solution

The fourth proportional to 8,397.15, 12,597.55 and 2,553.61 is: 3,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.15 : 12,597.55 = 2,553.61 : x
  2. Step 2: Convert to fraction form
    8,397.15/12,597.55 = 2,553.61/x
  3. Step 3: Cross multiply
    8,397.15x = 12,597.55 × 2,553.61
  4. Step 4: Simplify right side
    8,397.15x = 32,169,222.58
  5. Step 5: Solve for x
    x = 32,169,222.58/8,397.15
  6. Step 6: Final answer
    x = 3,830.97

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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.