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Finding the Fourth Proportional to 7,352.28, 11,050.28 and 3,459.42

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Solution

The fourth proportional to 7,352.28, 11,050.28 and 3,459.42 is: 5,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.28 : 11,050.28 = 3,459.42 : x
  2. Step 2: Convert to fraction form
    7,352.28/11,050.28 = 3,459.42/x
  3. Step 3: Cross multiply
    7,352.28x = 11,050.28 × 3,459.42
  4. Step 4: Simplify right side
    7,352.28x = 38,227,513.03
  5. Step 5: Solve for x
    x = 38,227,513.03/7,352.28
  6. Step 6: Final answer
    x = 5,199.41

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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.