Home / 5,081.60-7,622.40-2,309.24

Finding the Fourth Proportional to 5,081.60, 7,622.40 and 2,309.24

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Solution

The fourth proportional to 5,081.60, 7,622.40 and 2,309.24 is: 3,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.60 : 7,622.40 = 2,309.24 : x
  2. Step 2: Convert to fraction form
    5,081.60/7,622.40 = 2,309.24/x
  3. Step 3: Cross multiply
    5,081.60x = 7,622.40 × 2,309.24
  4. Step 4: Simplify right side
    5,081.60x = 17,601,950.98
  5. Step 5: Solve for x
    x = 17,601,950.98/5,081.60
  6. Step 6: Final answer
    x = 3,463.86

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Similar ratio
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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.