Home / 7,686.29-11,531.25-2,492.17

Finding the Fourth Proportional to 7,686.29, 11,531.25 and 2,492.17

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Solution

The fourth proportional to 7,686.29, 11,531.25 and 2,492.17 is: 3,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.29 : 11,531.25 = 2,492.17 : x
  2. Step 2: Convert to fraction form
    7,686.29/11,531.25 = 2,492.17/x
  3. Step 3: Cross multiply
    7,686.29x = 11,531.25 × 2,492.17
  4. Step 4: Simplify right side
    7,686.29x = 28,737,806.48
  5. Step 5: Solve for x
    x = 28,737,806.48/7,686.29
  6. Step 6: Final answer
    x = 3,738.84

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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.