Home / 6,891.46-10,337.22-2,147.68

Finding the Fourth Proportional to 6,891.46, 10,337.22 and 2,147.68

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Solution

The fourth proportional to 6,891.46, 10,337.22 and 2,147.68 is: 3,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.46 : 10,337.22 = 2,147.68 : x
  2. Step 2: Convert to fraction form
    6,891.46/10,337.22 = 2,147.68/x
  3. Step 3: Cross multiply
    6,891.46x = 10,337.22 × 2,147.68
  4. Step 4: Simplify right side
    6,891.46x = 22,201,040.65
  5. Step 5: Solve for x
    x = 22,201,040.65/6,891.46
  6. Step 6: Final answer
    x = 3,221.53

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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.