Home / 9,085.26-12,542.40-6,116.75

Finding the Fourth Proportional to 9,085.26, 12,542.40 and 6,116.75

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Solution

The fourth proportional to 9,085.26, 12,542.40 and 6,116.75 is: 8,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.26 : 12,542.40 = 6,116.75 : x
  2. Step 2: Convert to fraction form
    9,085.26/12,542.40 = 6,116.75/x
  3. Step 3: Cross multiply
    9,085.26x = 12,542.40 × 6,116.75
  4. Step 4: Simplify right side
    9,085.26x = 76,718,725.20
  5. Step 5: Solve for x
    x = 76,718,725.20/9,085.26
  6. Step 6: Final answer
    x = 8,444.31

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Half scale
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Double scale
Find fourth proportional to 9,086.26, 12,543.78 and 6,117.75
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.