Home / 7,686.12-11,528.46-2,492.04

Finding the Fourth Proportional to 7,686.12, 11,528.46 and 2,492.04

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Solution

The fourth proportional to 7,686.12, 11,528.46 and 2,492.04 is: 3,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.12 : 11,528.46 = 2,492.04 : x
  2. Step 2: Convert to fraction form
    7,686.12/11,528.46 = 2,492.04/x
  3. Step 3: Cross multiply
    7,686.12x = 11,528.46 × 2,492.04
  4. Step 4: Simplify right side
    7,686.12x = 28,729,383.46
  5. Step 5: Solve for x
    x = 28,729,383.46/7,686.12
  6. Step 6: Final answer
    x = 3,737.83

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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.