Home / 8,839.30-12,198.14-6,580.74

Finding the Fourth Proportional to 8,839.30, 12,198.14 and 6,580.74

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Solution

The fourth proportional to 8,839.30, 12,198.14 and 6,580.74 is: 9,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.30 : 12,198.14 = 6,580.74 : x
  2. Step 2: Convert to fraction form
    8,839.30/12,198.14 = 6,580.74/x
  3. Step 3: Cross multiply
    8,839.30x = 12,198.14 × 6,580.74
  4. Step 4: Simplify right side
    8,839.30x = 80,272,733.85
  5. Step 5: Solve for x
    x = 80,272,733.85/8,839.30
  6. Step 6: Final answer
    x = 9,081.35

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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.