Home / 9,839.58-14,753.90-3,989.36

Finding the Fourth Proportional to 9,839.58, 14,753.90 and 3,989.36

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Solution

The fourth proportional to 9,839.58, 14,753.90 and 3,989.36 is: 5,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.58 : 14,753.90 = 3,989.36 : x
  2. Step 2: Convert to fraction form
    9,839.58/14,753.90 = 3,989.36/x
  3. Step 3: Cross multiply
    9,839.58x = 14,753.90 × 3,989.36
  4. Step 4: Simplify right side
    9,839.58x = 58,858,618.50
  5. Step 5: Solve for x
    x = 58,858,618.50/9,839.58
  6. Step 6: Final answer
    x = 5,981.82

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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.