Home / 6,761.72-10,143.66-2,866.16

Finding the Fourth Proportional to 6,761.72, 10,143.66 and 2,866.16

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Solution

The fourth proportional to 6,761.72, 10,143.66 and 2,866.16 is: 4,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.72 : 10,143.66 = 2,866.16 : x
  2. Step 2: Convert to fraction form
    6,761.72/10,143.66 = 2,866.16/x
  3. Step 3: Cross multiply
    6,761.72x = 10,143.66 × 2,866.16
  4. Step 4: Simplify right side
    6,761.72x = 29,073,352.55
  5. Step 5: Solve for x
    x = 29,073,352.55/6,761.72
  6. Step 6: Final answer
    x = 4,299.70

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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.