Home / 4,084.32-5,633.16-3,612.72

Finding the Fourth Proportional to 4,084.32, 5,633.16 and 3,612.72

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Solution

The fourth proportional to 4,084.32, 5,633.16 and 3,612.72 is: 4,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.32 : 5,633.16 = 3,612.72 : x
  2. Step 2: Convert to fraction form
    4,084.32/5,633.16 = 3,612.72/x
  3. Step 3: Cross multiply
    4,084.32x = 5,633.16 × 3,612.72
  4. Step 4: Simplify right side
    4,084.32x = 20,351,029.80
  5. Step 5: Solve for x
    x = 20,351,029.80/4,084.32
  6. Step 6: Final answer
    x = 4,982.72

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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.