Home / 5,100.28-7,655.22-2,505.08

Finding the Fourth Proportional to 5,100.28, 7,655.22 and 2,505.08

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Solution

The fourth proportional to 5,100.28, 7,655.22 and 2,505.08 is: 3,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.28 : 7,655.22 = 2,505.08 : x
  2. Step 2: Convert to fraction form
    5,100.28/7,655.22 = 2,505.08/x
  3. Step 3: Cross multiply
    5,100.28x = 7,655.22 × 2,505.08
  4. Step 4: Simplify right side
    5,100.28x = 19,176,938.52
  5. Step 5: Solve for x
    x = 19,176,938.52/5,100.28
  6. Step 6: Final answer
    x = 3,759.98

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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.