Home / 8,085.96-11,165.02-6,609.74

Finding the Fourth Proportional to 8,085.96, 11,165.02 and 6,609.74

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Solution

The fourth proportional to 8,085.96, 11,165.02 and 6,609.74 is: 9,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.96 : 11,165.02 = 6,609.74 : x
  2. Step 2: Convert to fraction form
    8,085.96/11,165.02 = 6,609.74/x
  3. Step 3: Cross multiply
    8,085.96x = 11,165.02 × 6,609.74
  4. Step 4: Simplify right side
    8,085.96x = 73,797,806.95
  5. Step 5: Solve for x
    x = 73,797,806.95/8,085.96
  6. Step 6: Final answer
    x = 9,126.66

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Half scale
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Double scale
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Similar ratio
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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.