Home / 7,147.44-10,724.40-3,635.28

Finding the Fourth Proportional to 7,147.44, 10,724.40 and 3,635.28

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Solution

The fourth proportional to 7,147.44, 10,724.40 and 3,635.28 is: 5,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.44 : 10,724.40 = 3,635.28 : x
  2. Step 2: Convert to fraction form
    7,147.44/10,724.40 = 3,635.28/x
  3. Step 3: Cross multiply
    7,147.44x = 10,724.40 × 3,635.28
  4. Step 4: Simplify right side
    7,147.44x = 38,986,196.83
  5. Step 5: Solve for x
    x = 38,986,196.83/7,147.44
  6. Step 6: Final answer
    x = 5,454.57

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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.