Home / 8,915.06-13,374.42-3,720.94

Finding the Fourth Proportional to 8,915.06, 13,374.42 and 3,720.94

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Solution

The fourth proportional to 8,915.06, 13,374.42 and 3,720.94 is: 5,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.06 : 13,374.42 = 3,720.94 : x
  2. Step 2: Convert to fraction form
    8,915.06/13,374.42 = 3,720.94/x
  3. Step 3: Cross multiply
    8,915.06x = 13,374.42 × 3,720.94
  4. Step 4: Simplify right side
    8,915.06x = 49,765,366.97
  5. Step 5: Solve for x
    x = 49,765,366.97/8,915.06
  6. Step 6: Final answer
    x = 5,582.17

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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.