Home / 5,005.80-7,508.70-1,542.60

Finding the Fourth Proportional to 5,005.80, 7,508.70 and 1,542.60

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Solution

The fourth proportional to 5,005.80, 7,508.70 and 1,542.60 is: 2,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.80 : 7,508.70 = 1,542.60 : x
  2. Step 2: Convert to fraction form
    5,005.80/7,508.70 = 1,542.60/x
  3. Step 3: Cross multiply
    5,005.80x = 7,508.70 × 1,542.60
  4. Step 4: Simplify right side
    5,005.80x = 11,582,920.62
  5. Step 5: Solve for x
    x = 11,582,920.62/5,005.80
  6. Step 6: Final answer
    x = 2,313.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.