Home / 7,623.28-11,436.28-2,695.78

Finding the Fourth Proportional to 7,623.28, 11,436.28 and 2,695.78

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Solution

The fourth proportional to 7,623.28, 11,436.28 and 2,695.78 is: 4,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.28 : 11,436.28 = 2,695.78 : x
  2. Step 2: Convert to fraction form
    7,623.28/11,436.28 = 2,695.78/x
  3. Step 3: Cross multiply
    7,623.28x = 11,436.28 × 2,695.78
  4. Step 4: Simplify right side
    7,623.28x = 30,829,694.90
  5. Step 5: Solve for x
    x = 30,829,694.90/7,623.28
  6. Step 6: Final answer
    x = 4,044.15

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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.