Home / 5,320.23-7,344.54-4,122.57

Finding the Fourth Proportional to 5,320.23, 7,344.54 and 4,122.57

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Solution

The fourth proportional to 5,320.23, 7,344.54 and 4,122.57 is: 5,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.23 : 7,344.54 = 4,122.57 : x
  2. Step 2: Convert to fraction form
    5,320.23/7,344.54 = 4,122.57/x
  3. Step 3: Cross multiply
    5,320.23x = 7,344.54 × 4,122.57
  4. Step 4: Simplify right side
    5,320.23x = 30,278,380.27
  5. Step 5: Solve for x
    x = 30,278,380.27/5,320.23
  6. Step 6: Final answer
    x = 5,691.18

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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.