Home / 9,617.33-14,399.93-4,990.61

Finding the Fourth Proportional to 9,617.33, 14,399.93 and 4,990.61

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Solution

The fourth proportional to 9,617.33, 14,399.93 and 4,990.61 is: 7,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.33 : 14,399.93 = 4,990.61 : x
  2. Step 2: Convert to fraction form
    9,617.33/14,399.93 = 4,990.61/x
  3. Step 3: Cross multiply
    9,617.33x = 14,399.93 × 4,990.61
  4. Step 4: Simplify right side
    9,617.33x = 71,864,337.70
  5. Step 5: Solve for x
    x = 71,864,337.70/9,617.33
  6. Step 6: Final answer
    x = 7,472.38

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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.