Home / 4,915.17-7,376.32-3,685.89

Finding the Fourth Proportional to 4,915.17, 7,376.32 and 3,685.89

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Solution

The fourth proportional to 4,915.17, 7,376.32 and 3,685.89 is: 5,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.17 : 7,376.32 = 3,685.89 : x
  2. Step 2: Convert to fraction form
    4,915.17/7,376.32 = 3,685.89/x
  3. Step 3: Cross multiply
    4,915.17x = 7,376.32 × 3,685.89
  4. Step 4: Simplify right side
    4,915.17x = 27,188,304.12
  5. Step 5: Solve for x
    x = 27,188,304.12/4,915.17
  6. Step 6: Final answer
    x = 5,531.51

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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.