Home / 5,152.60-7,729.26-2,231.08

Finding the Fourth Proportional to 5,152.60, 7,729.26 and 2,231.08

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Solution

The fourth proportional to 5,152.60, 7,729.26 and 2,231.08 is: 3,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.60 : 7,729.26 = 2,231.08 : x
  2. Step 2: Convert to fraction form
    5,152.60/7,729.26 = 2,231.08/x
  3. Step 3: Cross multiply
    5,152.60x = 7,729.26 × 2,231.08
  4. Step 4: Simplify right side
    5,152.60x = 17,244,597.40
  5. Step 5: Solve for x
    x = 17,244,597.40/5,152.60
  6. Step 6: Final answer
    x = 3,346.78

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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.