Home / 7,042.82-10,560.11-2,660.58

Finding the Fourth Proportional to 7,042.82, 10,560.11 and 2,660.58

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Solution

The fourth proportional to 7,042.82, 10,560.11 and 2,660.58 is: 3,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.82 : 10,560.11 = 2,660.58 : x
  2. Step 2: Convert to fraction form
    7,042.82/10,560.11 = 2,660.58/x
  3. Step 3: Cross multiply
    7,042.82x = 10,560.11 × 2,660.58
  4. Step 4: Simplify right side
    7,042.82x = 28,096,004.16
  5. Step 5: Solve for x
    x = 28,096,004.16/7,042.82
  6. Step 6: Final answer
    x = 3,989.31

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1.5x scale

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.