Home / 8,123.22-12,184.74-2,279.52

Finding the Fourth Proportional to 8,123.22, 12,184.74 and 2,279.52

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Solution

The fourth proportional to 8,123.22, 12,184.74 and 2,279.52 is: 3,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.22 : 12,184.74 = 2,279.52 : x
  2. Step 2: Convert to fraction form
    8,123.22/12,184.74 = 2,279.52/x
  3. Step 3: Cross multiply
    8,123.22x = 12,184.74 × 2,279.52
  4. Step 4: Simplify right side
    8,123.22x = 27,775,358.52
  5. Step 5: Solve for x
    x = 27,775,358.52/8,123.22
  6. Step 6: Final answer
    x = 3,419.25

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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.