Home / 8,050.38-11,105.04-5,065.12

Finding the Fourth Proportional to 8,050.38, 11,105.04 and 5,065.12

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Solution

The fourth proportional to 8,050.38, 11,105.04 and 5,065.12 is: 6,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.38 : 11,105.04 = 5,065.12 : x
  2. Step 2: Convert to fraction form
    8,050.38/11,105.04 = 5,065.12/x
  3. Step 3: Cross multiply
    8,050.38x = 11,105.04 × 5,065.12
  4. Step 4: Simplify right side
    8,050.38x = 56,248,360.20
  5. Step 5: Solve for x
    x = 56,248,360.20/8,050.38
  6. Step 6: Final answer
    x = 6,987.04

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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.