Home / 8,123.41-11,177.76-6,234.22

Finding the Fourth Proportional to 8,123.41, 11,177.76 and 6,234.22

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Solution

The fourth proportional to 8,123.41, 11,177.76 and 6,234.22 is: 8,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.41 : 11,177.76 = 6,234.22 : x
  2. Step 2: Convert to fraction form
    8,123.41/11,177.76 = 6,234.22/x
  3. Step 3: Cross multiply
    8,123.41x = 11,177.76 × 6,234.22
  4. Step 4: Simplify right side
    8,123.41x = 69,684,614.95
  5. Step 5: Solve for x
    x = 69,684,614.95/8,123.41
  6. Step 6: Final answer
    x = 8,578.25

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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.