Home / 9,085.74-12,521.97-6,723.78

Finding the Fourth Proportional to 9,085.74, 12,521.97 and 6,723.78

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Solution

The fourth proportional to 9,085.74, 12,521.97 and 6,723.78 is: 9,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.74 : 12,521.97 = 6,723.78 : x
  2. Step 2: Convert to fraction form
    9,085.74/12,521.97 = 6,723.78/x
  3. Step 3: Cross multiply
    9,085.74x = 12,521.97 × 6,723.78
  4. Step 4: Simplify right side
    9,085.74x = 84,194,971.45
  5. Step 5: Solve for x
    x = 84,194,971.45/9,085.74
  6. Step 6: Final answer
    x = 9,266.72

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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.