Home / 5,001.55-7,488.96-3,147.46

Finding the Fourth Proportional to 5,001.55, 7,488.96 and 3,147.46

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Solution

The fourth proportional to 5,001.55, 7,488.96 and 3,147.46 is: 4,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.55 : 7,488.96 = 3,147.46 : x
  2. Step 2: Convert to fraction form
    5,001.55/7,488.96 = 3,147.46/x
  3. Step 3: Cross multiply
    5,001.55x = 7,488.96 × 3,147.46
  4. Step 4: Simplify right side
    5,001.55x = 23,571,171.52
  5. Step 5: Solve for x
    x = 23,571,171.52/5,001.55
  6. Step 6: Final answer
    x = 4,712.78

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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.