Home / 8,115.26-11,199.04-4,389.26

Finding the Fourth Proportional to 8,115.26, 11,199.04 and 4,389.26

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Solution

The fourth proportional to 8,115.26, 11,199.04 and 4,389.26 is: 6,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.26 : 11,199.04 = 4,389.26 : x
  2. Step 2: Convert to fraction form
    8,115.26/11,199.04 = 4,389.26/x
  3. Step 3: Cross multiply
    8,115.26x = 11,199.04 × 4,389.26
  4. Step 4: Simplify right side
    8,115.26x = 49,155,498.31
  5. Step 5: Solve for x
    x = 49,155,498.31/8,115.26
  6. Step 6: Final answer
    x = 6,057.17

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Half scale
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Double 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.