Home / 9,834.28-14,757.60-3,990.92

Finding the Fourth Proportional to 9,834.28, 14,757.60 and 3,990.92

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Solution

The fourth proportional to 9,834.28, 14,757.60 and 3,990.92 is: 5,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.28 : 14,757.60 = 3,990.92 : x
  2. Step 2: Convert to fraction form
    9,834.28/14,757.60 = 3,990.92/x
  3. Step 3: Cross multiply
    9,834.28x = 14,757.60 × 3,990.92
  4. Step 4: Simplify right side
    9,834.28x = 58,896,400.99
  5. Step 5: Solve for x
    x = 58,896,400.99/9,834.28
  6. Step 6: Final answer
    x = 5,988.89

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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.