Home / 5,202.43-7,808.20-2,739.02

Finding the Fourth Proportional to 5,202.43, 7,808.20 and 2,739.02

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Solution

The fourth proportional to 5,202.43, 7,808.20 and 2,739.02 is: 4,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.43 : 7,808.20 = 2,739.02 : x
  2. Step 2: Convert to fraction form
    5,202.43/7,808.20 = 2,739.02/x
  3. Step 3: Cross multiply
    5,202.43x = 7,808.20 × 2,739.02
  4. Step 4: Simplify right side
    5,202.43x = 21,386,770.08
  5. Step 5: Solve for x
    x = 21,386,770.08/5,202.43
  6. Step 6: Final answer
    x = 4,110.92

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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.