Home / 4,891.60-7,337.40-4,862.80

Finding the Fourth Proportional to 4,891.60, 7,337.40 and 4,862.80

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Solution

The fourth proportional to 4,891.60, 7,337.40 and 4,862.80 is: 7,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.60 : 7,337.40 = 4,862.80 : x
  2. Step 2: Convert to fraction form
    4,891.60/7,337.40 = 4,862.80/x
  3. Step 3: Cross multiply
    4,891.60x = 7,337.40 × 4,862.80
  4. Step 4: Simplify right side
    4,891.60x = 35,680,308.72
  5. Step 5: Solve for x
    x = 35,680,308.72/4,891.60
  6. Step 6: Final answer
    x = 7,294.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.