Home / 8,753.34-13,127.16-2,908.38

Finding the Fourth Proportional to 8,753.34, 13,127.16 and 2,908.38

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Solution

The fourth proportional to 8,753.34, 13,127.16 and 2,908.38 is: 4,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.34 : 13,127.16 = 2,908.38 : x
  2. Step 2: Convert to fraction form
    8,753.34/13,127.16 = 2,908.38/x
  3. Step 3: Cross multiply
    8,753.34x = 13,127.16 × 2,908.38
  4. Step 4: Simplify right side
    8,753.34x = 38,178,769.60
  5. Step 5: Solve for x
    x = 38,178,769.60/8,753.34
  6. Step 6: Final answer
    x = 4,361.62

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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.