Home / 8,397.31-12,597.78-2,553.77

Finding the Fourth Proportional to 8,397.31, 12,597.78 and 2,553.77

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Solution

The fourth proportional to 8,397.31, 12,597.78 and 2,553.77 is: 3,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.31 : 12,597.78 = 2,553.77 : x
  2. Step 2: Convert to fraction form
    8,397.31/12,597.78 = 2,553.77/x
  3. Step 3: Cross multiply
    8,397.31x = 12,597.78 × 2,553.77
  4. Step 4: Simplify right side
    8,397.31x = 32,171,832.63
  5. Step 5: Solve for x
    x = 32,171,832.63/8,397.31
  6. Step 6: Final answer
    x = 3,831.21

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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.