Home / 7,290.27-10,061.42-4,146.66

Finding the Fourth Proportional to 7,290.27, 10,061.42 and 4,146.66

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Solution

The fourth proportional to 7,290.27, 10,061.42 and 4,146.66 is: 5,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.27 : 10,061.42 = 4,146.66 : x
  2. Step 2: Convert to fraction form
    7,290.27/10,061.42 = 4,146.66/x
  3. Step 3: Cross multiply
    7,290.27x = 10,061.42 × 4,146.66
  4. Step 4: Simplify right side
    7,290.27x = 41,721,267.12
  5. Step 5: Solve for x
    x = 41,721,267.12/7,290.27
  6. Step 6: Final answer
    x = 5,722.87

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Why These Related Problems?

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