Home / 8,081.80-11,152.90-4,545.02

Finding the Fourth Proportional to 8,081.80, 11,152.90 and 4,545.02

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Solution

The fourth proportional to 8,081.80, 11,152.90 and 4,545.02 is: 6,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.80 : 11,152.90 = 4,545.02 : x
  2. Step 2: Convert to fraction form
    8,081.80/11,152.90 = 4,545.02/x
  3. Step 3: Cross multiply
    8,081.80x = 11,152.90 × 4,545.02
  4. Step 4: Simplify right side
    8,081.80x = 50,690,153.56
  5. Step 5: Solve for x
    x = 50,690,153.56/8,081.80
  6. Step 6: Final answer
    x = 6,272.14

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Half scale
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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.