Home / 8,146.92-11,232.90-6,885.75

Finding the Fourth Proportional to 8,146.92, 11,232.90 and 6,885.75

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Solution

The fourth proportional to 8,146.92, 11,232.90 and 6,885.75 is: 9,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.92 : 11,232.90 = 6,885.75 : x
  2. Step 2: Convert to fraction form
    8,146.92/11,232.90 = 6,885.75/x
  3. Step 3: Cross multiply
    8,146.92x = 11,232.90 × 6,885.75
  4. Step 4: Simplify right side
    8,146.92x = 77,346,941.18
  5. Step 5: Solve for x
    x = 77,346,941.18/8,146.92
  6. Step 6: Final answer
    x = 9,494.01

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,147.92, 11,234.28 and 6,886.75
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.