Home / 7,492.13-11,239.73-3,049.79

Finding the Fourth Proportional to 7,492.13, 11,239.73 and 3,049.79

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Solution

The fourth proportional to 7,492.13, 11,239.73 and 3,049.79 is: 4,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.13 : 11,239.73 = 3,049.79 : x
  2. Step 2: Convert to fraction form
    7,492.13/11,239.73 = 3,049.79/x
  3. Step 3: Cross multiply
    7,492.13x = 11,239.73 × 3,049.79
  4. Step 4: Simplify right side
    7,492.13x = 34,278,816.16
  5. Step 5: Solve for x
    x = 34,278,816.16/7,492.13
  6. Step 6: Final answer
    x = 4,575.31

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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.