Home / 9,272.40-13,896.45-3,721.20

Finding the Fourth Proportional to 9,272.40, 13,896.45 and 3,721.20

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Solution

The fourth proportional to 9,272.40, 13,896.45 and 3,721.20 is: 5,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.40 : 13,896.45 = 3,721.20 : x
  2. Step 2: Convert to fraction form
    9,272.40/13,896.45 = 3,721.20/x
  3. Step 3: Cross multiply
    9,272.40x = 13,896.45 × 3,721.20
  4. Step 4: Simplify right side
    9,272.40x = 51,711,469.74
  5. Step 5: Solve for x
    x = 51,711,469.74/9,272.40
  6. Step 6: Final answer
    x = 5,576.92

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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.