Home / 5,104.28-7,652.57-2,605.83

Finding the Fourth Proportional to 5,104.28, 7,652.57 and 2,605.83

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Solution

The fourth proportional to 5,104.28, 7,652.57 and 2,605.83 is: 3,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.28 : 7,652.57 = 2,605.83 : x
  2. Step 2: Convert to fraction form
    5,104.28/7,652.57 = 2,605.83/x
  3. Step 3: Cross multiply
    5,104.28x = 7,652.57 × 2,605.83
  4. Step 4: Simplify right side
    5,104.28x = 19,941,283.45
  5. Step 5: Solve for x
    x = 19,941,283.45/5,104.28
  6. Step 6: Final answer
    x = 3,906.78

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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.