Home / 8,057.91-11,120.12-4,521.39

Finding the Fourth Proportional to 8,057.91, 11,120.12 and 4,521.39

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Solution

The fourth proportional to 8,057.91, 11,120.12 and 4,521.39 is: 6,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.91 : 11,120.12 = 4,521.39 : x
  2. Step 2: Convert to fraction form
    8,057.91/11,120.12 = 4,521.39/x
  3. Step 3: Cross multiply
    8,057.91x = 11,120.12 × 4,521.39
  4. Step 4: Simplify right side
    8,057.91x = 50,278,376.76
  5. Step 5: Solve for x
    x = 50,278,376.76/8,057.91
  6. Step 6: Final answer
    x = 6,239.63

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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.