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Finding the Fourth Proportional to 7,500.97, 10,351.20 and 4,143.93

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Solution

The fourth proportional to 7,500.97, 10,351.20 and 4,143.93 is: 5,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.97 : 10,351.20 = 4,143.93 : x
  2. Step 2: Convert to fraction form
    7,500.97/10,351.20 = 4,143.93/x
  3. Step 3: Cross multiply
    7,500.97x = 10,351.20 × 4,143.93
  4. Step 4: Simplify right side
    7,500.97x = 42,894,648.22
  5. Step 5: Solve for x
    x = 42,894,648.22/7,500.97
  6. Step 6: Final answer
    x = 5,718.55

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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.