Home / 8,062.74-11,131.83-4,920.75

Finding the Fourth Proportional to 8,062.74, 11,131.83 and 4,920.75

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Solution

The fourth proportional to 8,062.74, 11,131.83 and 4,920.75 is: 6,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.74 : 11,131.83 = 4,920.75 : x
  2. Step 2: Convert to fraction form
    8,062.74/11,131.83 = 4,920.75/x
  3. Step 3: Cross multiply
    8,062.74x = 11,131.83 × 4,920.75
  4. Step 4: Simplify right side
    8,062.74x = 54,776,952.47
  5. Step 5: Solve for x
    x = 54,776,952.47/8,062.74
  6. Step 6: Final answer
    x = 6,793.84

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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.