Home / 6,288.78-9,437.15-3,517.27

Finding the Fourth Proportional to 6,288.78, 9,437.15 and 3,517.27

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Solution

The fourth proportional to 6,288.78, 9,437.15 and 3,517.27 is: 5,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.78 : 9,437.15 = 3,517.27 : x
  2. Step 2: Convert to fraction form
    6,288.78/9,437.15 = 3,517.27/x
  3. Step 3: Cross multiply
    6,288.78x = 9,437.15 × 3,517.27
  4. Step 4: Simplify right side
    6,288.78x = 33,193,004.58
  5. Step 5: Solve for x
    x = 33,193,004.58/6,288.78
  6. Step 6: Final answer
    x = 5,278.13

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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.