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Finding the Fourth Proportional to 5,615.92, 7,750.18 and 3,098.13

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Solution

The fourth proportional to 5,615.92, 7,750.18 and 3,098.13 is: 4,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.92 : 7,750.18 = 3,098.13 : x
  2. Step 2: Convert to fraction form
    5,615.92/7,750.18 = 3,098.13/x
  3. Step 3: Cross multiply
    5,615.92x = 7,750.18 × 3,098.13
  4. Step 4: Simplify right side
    5,615.92x = 24,011,065.16
  5. Step 5: Solve for x
    x = 24,011,065.16/5,615.92
  6. Step 6: Final answer
    x = 4,275.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.