Home / 7,200.42-9,937.17-4,056.90

Finding the Fourth Proportional to 7,200.42, 9,937.17 and 4,056.90

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Solution

The fourth proportional to 7,200.42, 9,937.17 and 4,056.90 is: 5,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.42 : 9,937.17 = 4,056.90 : x
  2. Step 2: Convert to fraction form
    7,200.42/9,937.17 = 4,056.90/x
  3. Step 3: Cross multiply
    7,200.42x = 9,937.17 × 4,056.90
  4. Step 4: Simplify right side
    7,200.42x = 40,314,104.97
  5. Step 5: Solve for x
    x = 40,314,104.97/7,200.42
  6. Step 6: Final answer
    x = 5,598.85

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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.