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Finding the Fourth Proportional to 7,110.60, 10,657.25 and 5,031.20

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Solution

The fourth proportional to 7,110.60, 10,657.25 and 5,031.20 is: 7,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.60 : 10,657.25 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    7,110.60/10,657.25 = 5,031.20/x
  3. Step 3: Cross multiply
    7,110.60x = 10,657.25 × 5,031.20
  4. Step 4: Simplify right side
    7,110.60x = 53,618,776.55
  5. Step 5: Solve for x
    x = 53,618,776.55/7,110.60
  6. Step 6: Final answer
    x = 7,540.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.