Home / 4,728.28-7,062.05-3,425.80

Finding the Fourth Proportional to 4,728.28, 7,062.05 and 3,425.80

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Solution

The fourth proportional to 4,728.28, 7,062.05 and 3,425.80 is: 5,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.28 : 7,062.05 = 3,425.80 : x
  2. Step 2: Convert to fraction form
    4,728.28/7,062.05 = 3,425.80/x
  3. Step 3: Cross multiply
    4,728.28x = 7,062.05 × 3,425.80
  4. Step 4: Simplify right side
    4,728.28x = 24,193,170.89
  5. Step 5: Solve for x
    x = 24,193,170.89/4,728.28
  6. Step 6: Final answer
    x = 5,116.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.