Home / 7,042.11-10,566-2,660.82

Finding the Fourth Proportional to 7,042.11, 10,566 and 2,660.82

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Solution

The fourth proportional to 7,042.11, 10,566 and 2,660.82 is: 3,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.11 : 10,566 = 2,660.82 : x
  2. Step 2: Convert to fraction form
    7,042.11/10,566 = 2,660.82/x
  3. Step 3: Cross multiply
    7,042.11x = 10,566 × 2,660.82
  4. Step 4: Simplify right side
    7,042.11x = 28,114,224.12
  5. Step 5: Solve for x
    x = 28,114,224.12/7,042.11
  6. Step 6: Final answer
    x = 3,992.30

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Why These Related Problems?

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