Home / 8,981.48-13,472.33-3,915.14

Finding the Fourth Proportional to 8,981.48, 13,472.33 and 3,915.14

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Solution

The fourth proportional to 8,981.48, 13,472.33 and 3,915.14 is: 5,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.48 : 13,472.33 = 3,915.14 : x
  2. Step 2: Convert to fraction form
    8,981.48/13,472.33 = 3,915.14/x
  3. Step 3: Cross multiply
    8,981.48x = 13,472.33 × 3,915.14
  4. Step 4: Simplify right side
    8,981.48x = 52,745,971.14
  5. Step 5: Solve for x
    x = 52,745,971.14/8,981.48
  6. Step 6: Final answer
    x = 5,872.75

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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.