Home / 8,442.46-11,625.42-6,668.56

Finding the Fourth Proportional to 8,442.46, 11,625.42 and 6,668.56

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Solution

The fourth proportional to 8,442.46, 11,625.42 and 6,668.56 is: 9,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.46 : 11,625.42 = 6,668.56 : x
  2. Step 2: Convert to fraction form
    8,442.46/11,625.42 = 6,668.56/x
  3. Step 3: Cross multiply
    8,442.46x = 11,625.42 × 6,668.56
  4. Step 4: Simplify right side
    8,442.46x = 77,524,810.80
  5. Step 5: Solve for x
    x = 77,524,810.80/8,442.46
  6. Step 6: Final answer
    x = 9,182.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.