Home / 8,781.68-13,172.55-3,232.62

Finding the Fourth Proportional to 8,781.68, 13,172.55 and 3,232.62

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Solution

The fourth proportional to 8,781.68, 13,172.55 and 3,232.62 is: 4,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.68 : 13,172.55 = 3,232.62 : x
  2. Step 2: Convert to fraction form
    8,781.68/13,172.55 = 3,232.62/x
  3. Step 3: Cross multiply
    8,781.68x = 13,172.55 × 3,232.62
  4. Step 4: Simplify right side
    8,781.68x = 42,581,836.46
  5. Step 5: Solve for x
    x = 42,581,836.46/8,781.68
  6. Step 6: Final answer
    x = 4,848.94

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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.