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Finding the Fourth Proportional to 7,348.96, 10,139.12 and 4,161.93

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Solution

The fourth proportional to 7,348.96, 10,139.12 and 4,161.93 is: 5,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.96 : 10,139.12 = 4,161.93 : x
  2. Step 2: Convert to fraction form
    7,348.96/10,139.12 = 4,161.93/x
  3. Step 3: Cross multiply
    7,348.96x = 10,139.12 × 4,161.93
  4. Step 4: Simplify right side
    7,348.96x = 42,198,286.89
  5. Step 5: Solve for x
    x = 42,198,286.89/7,348.96
  6. Step 6: Final answer
    x = 5,742.08

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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.