Home / 8,081.60-11,153.12-4,545.04

Finding the Fourth Proportional to 8,081.60, 11,153.12 and 4,545.04

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Solution

The fourth proportional to 8,081.60, 11,153.12 and 4,545.04 is: 6,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.60 : 11,153.12 = 4,545.04 : x
  2. Step 2: Convert to fraction form
    8,081.60/11,153.12 = 4,545.04/x
  3. Step 3: Cross multiply
    8,081.60x = 11,153.12 × 4,545.04
  4. Step 4: Simplify right side
    8,081.60x = 50,691,376.52
  5. Step 5: Solve for x
    x = 50,691,376.52/8,081.60
  6. Step 6: Final answer
    x = 6,272.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,082.60, 11,154.50 and 4,546.04
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.