Home / 7,915.88-11,876.70-3,757.16

Finding the Fourth Proportional to 7,915.88, 11,876.70 and 3,757.16

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Solution

The fourth proportional to 7,915.88, 11,876.70 and 3,757.16 is: 5,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.88 : 11,876.70 = 3,757.16 : x
  2. Step 2: Convert to fraction form
    7,915.88/11,876.70 = 3,757.16/x
  3. Step 3: Cross multiply
    7,915.88x = 11,876.70 × 3,757.16
  4. Step 4: Simplify right side
    7,915.88x = 44,622,662.17
  5. Step 5: Solve for x
    x = 44,622,662.17/7,915.88
  6. Step 6: Final answer
    x = 5,637.11

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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.