Home / 5,148.60-7,722.90-3,301.80

Finding the Fourth Proportional to 5,148.60, 7,722.90 and 3,301.80

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Solution

The fourth proportional to 5,148.60, 7,722.90 and 3,301.80 is: 4,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.60 : 7,722.90 = 3,301.80 : x
  2. Step 2: Convert to fraction form
    5,148.60/7,722.90 = 3,301.80/x
  3. Step 3: Cross multiply
    5,148.60x = 7,722.90 × 3,301.80
  4. Step 4: Simplify right side
    5,148.60x = 25,499,471.22
  5. Step 5: Solve for x
    x = 25,499,471.22/5,148.60
  6. Step 6: Final answer
    x = 4,952.70

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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.