Home / 7,391.20-10,200.92-4,408.80

Finding the Fourth Proportional to 7,391.20, 10,200.92 and 4,408.80

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Solution

The fourth proportional to 7,391.20, 10,200.92 and 4,408.80 is: 6,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.20 : 10,200.92 = 4,408.80 : x
  2. Step 2: Convert to fraction form
    7,391.20/10,200.92 = 4,408.80/x
  3. Step 3: Cross multiply
    7,391.20x = 10,200.92 × 4,408.80
  4. Step 4: Simplify right side
    7,391.20x = 44,973,816.10
  5. Step 5: Solve for x
    x = 44,973,816.10/7,391.20
  6. Step 6: Final answer
    x = 6,084.78

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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.