Home / 7,687.38-11,534.71-4,573.54

Finding the Fourth Proportional to 7,687.38, 11,534.71 and 4,573.54

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Solution

The fourth proportional to 7,687.38, 11,534.71 and 4,573.54 is: 6,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.38 : 11,534.71 = 4,573.54 : x
  2. Step 2: Convert to fraction form
    7,687.38/11,534.71 = 4,573.54/x
  3. Step 3: Cross multiply
    7,687.38x = 11,534.71 × 4,573.54
  4. Step 4: Simplify right side
    7,687.38x = 52,754,431.47
  5. Step 5: Solve for x
    x = 52,754,431.47/7,687.38
  6. Step 6: Final answer
    x = 6,862.47

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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.