Home / 8,020.38-11,067.78-4,663.02

Finding the Fourth Proportional to 8,020.38, 11,067.78 and 4,663.02

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Solution

The fourth proportional to 8,020.38, 11,067.78 and 4,663.02 is: 6,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.38 : 11,067.78 = 4,663.02 : x
  2. Step 2: Convert to fraction form
    8,020.38/11,067.78 = 4,663.02/x
  3. Step 3: Cross multiply
    8,020.38x = 11,067.78 × 4,663.02
  4. Step 4: Simplify right side
    8,020.38x = 51,609,279.50
  5. Step 5: Solve for x
    x = 51,609,279.50/8,020.38
  6. Step 6: Final answer
    x = 6,434.77

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Half scale
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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.