Home / 8,101.32-11,181.90-5,275.73

Finding the Fourth Proportional to 8,101.32, 11,181.90 and 5,275.73

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Solution

The fourth proportional to 8,101.32, 11,181.90 and 5,275.73 is: 7,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.32 : 11,181.90 = 5,275.73 : x
  2. Step 2: Convert to fraction form
    8,101.32/11,181.90 = 5,275.73/x
  3. Step 3: Cross multiply
    8,101.32x = 11,181.90 × 5,275.73
  4. Step 4: Simplify right side
    8,101.32x = 58,992,703.35
  5. Step 5: Solve for x
    x = 58,992,703.35/8,101.32
  6. Step 6: Final answer
    x = 7,281.87

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Double 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.