Home / 7,042.53-10,560.39-2,660.34

Finding the Fourth Proportional to 7,042.53, 10,560.39 and 2,660.34

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Solution

The fourth proportional to 7,042.53, 10,560.39 and 2,660.34 is: 3,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.53 : 10,560.39 = 2,660.34 : x
  2. Step 2: Convert to fraction form
    7,042.53/10,560.39 = 2,660.34/x
  3. Step 3: Cross multiply
    7,042.53x = 10,560.39 × 2,660.34
  4. Step 4: Simplify right side
    7,042.53x = 28,094,227.93
  5. Step 5: Solve for x
    x = 28,094,227.93/7,042.53
  6. Step 6: Final answer
    x = 3,989.22

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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.