Home / 5,331.60-7,997.40-3,484.80

Finding the Fourth Proportional to 5,331.60, 7,997.40 and 3,484.80

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Solution

The fourth proportional to 5,331.60, 7,997.40 and 3,484.80 is: 5,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.60 : 7,997.40 = 3,484.80 : x
  2. Step 2: Convert to fraction form
    5,331.60/7,997.40 = 3,484.80/x
  3. Step 3: Cross multiply
    5,331.60x = 7,997.40 × 3,484.80
  4. Step 4: Simplify right side
    5,331.60x = 27,869,339.52
  5. Step 5: Solve for x
    x = 27,869,339.52/5,331.60
  6. Step 6: Final answer
    x = 5,227.20

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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.