Home / 6,387.62-9,583.70-2,439.17

Finding the Fourth Proportional to 6,387.62, 9,583.70 and 2,439.17

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Solution

The fourth proportional to 6,387.62, 9,583.70 and 2,439.17 is: 3,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.62 : 9,583.70 = 2,439.17 : x
  2. Step 2: Convert to fraction form
    6,387.62/9,583.70 = 2,439.17/x
  3. Step 3: Cross multiply
    6,387.62x = 9,583.70 × 2,439.17
  4. Step 4: Simplify right side
    6,387.62x = 23,376,213.41
  5. Step 5: Solve for x
    x = 23,376,213.41/6,387.62
  6. Step 6: Final answer
    x = 3,659.62

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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.