Home / 8,291.38-11,442.40-4,514.72

Finding the Fourth Proportional to 8,291.38, 11,442.40 and 4,514.72

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Solution

The fourth proportional to 8,291.38, 11,442.40 and 4,514.72 is: 6,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.38 : 11,442.40 = 4,514.72 : x
  2. Step 2: Convert to fraction form
    8,291.38/11,442.40 = 4,514.72/x
  3. Step 3: Cross multiply
    8,291.38x = 11,442.40 × 4,514.72
  4. Step 4: Simplify right side
    8,291.38x = 51,659,232.13
  5. Step 5: Solve for x
    x = 51,659,232.13/8,291.38
  6. Step 6: Final answer
    x = 6,230.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.