Home / 5,331.60-7,997.40-4,748.40

Finding the Fourth Proportional to 5,331.60, 7,997.40 and 4,748.40

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Solution

The fourth proportional to 5,331.60, 7,997.40 and 4,748.40 is: 7,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.60 : 7,997.40 = 4,748.40 : x
  2. Step 2: Convert to fraction form
    5,331.60/7,997.40 = 4,748.40/x
  3. Step 3: Cross multiply
    5,331.60x = 7,997.40 × 4,748.40
  4. Step 4: Simplify right side
    5,331.60x = 37,974,854.16
  5. Step 5: Solve for x
    x = 37,974,854.16/5,331.60
  6. Step 6: Final answer
    x = 7,122.60

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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.