Home / 5,181.39-7,132.20-4,517.07

Finding the Fourth Proportional to 5,181.39, 7,132.20 and 4,517.07

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Solution

The fourth proportional to 5,181.39, 7,132.20 and 4,517.07 is: 6,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.39 : 7,132.20 = 4,517.07 : x
  2. Step 2: Convert to fraction form
    5,181.39/7,132.20 = 4,517.07/x
  3. Step 3: Cross multiply
    5,181.39x = 7,132.20 × 4,517.07
  4. Step 4: Simplify right side
    5,181.39x = 32,216,646.65
  5. Step 5: Solve for x
    x = 32,216,646.65/5,181.39
  6. Step 6: Final answer
    x = 6,217.76

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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.