Home / 8,279.24-12,427.02-6,081.80

Finding the Fourth Proportional to 8,279.24, 12,427.02 and 6,081.80

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Solution

The fourth proportional to 8,279.24, 12,427.02 and 6,081.80 is: 9,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.24 : 12,427.02 = 6,081.80 : x
  2. Step 2: Convert to fraction form
    8,279.24/12,427.02 = 6,081.80/x
  3. Step 3: Cross multiply
    8,279.24x = 12,427.02 × 6,081.80
  4. Step 4: Simplify right side
    8,279.24x = 75,578,650.24
  5. Step 5: Solve for x
    x = 75,578,650.24/8,279.24
  6. Step 6: Final answer
    x = 9,128.69

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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.