Home / 8,084.12-11,154.78-4,547.12

Finding the Fourth Proportional to 8,084.12, 11,154.78 and 4,547.12

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Solution

The fourth proportional to 8,084.12, 11,154.78 and 4,547.12 is: 6,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.12 : 11,154.78 = 4,547.12 : x
  2. Step 2: Convert to fraction form
    8,084.12/11,154.78 = 4,547.12/x
  3. Step 3: Cross multiply
    8,084.12x = 11,154.78 × 4,547.12
  4. Step 4: Simplify right side
    8,084.12x = 50,722,067.46
  5. Step 5: Solve for x
    x = 50,722,067.46/8,084.12
  6. Step 6: Final answer
    x = 6,274.29

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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.