Home / 8,328.38-11,489.55-5,492.12

Finding the Fourth Proportional to 8,328.38, 11,489.55 and 5,492.12

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Solution

The fourth proportional to 8,328.38, 11,489.55 and 5,492.12 is: 7,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.38 : 11,489.55 = 5,492.12 : x
  2. Step 2: Convert to fraction form
    8,328.38/11,489.55 = 5,492.12/x
  3. Step 3: Cross multiply
    8,328.38x = 11,489.55 × 5,492.12
  4. Step 4: Simplify right side
    8,328.38x = 63,101,987.35
  5. Step 5: Solve for x
    x = 63,101,987.35/8,328.38
  6. Step 6: Final answer
    x = 7,576.74

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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.