Home / 4,247.12-6,371.08-2,166.24

Finding the Fourth Proportional to 4,247.12, 6,371.08 and 2,166.24

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Solution

The fourth proportional to 4,247.12, 6,371.08 and 2,166.24 is: 3,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.12 : 6,371.08 = 2,166.24 : x
  2. Step 2: Convert to fraction form
    4,247.12/6,371.08 = 2,166.24/x
  3. Step 3: Cross multiply
    4,247.12x = 6,371.08 × 2,166.24
  4. Step 4: Simplify right side
    4,247.12x = 13,801,288.34
  5. Step 5: Solve for x
    x = 13,801,288.34/4,247.12
  6. Step 6: Final answer
    x = 3,249.56

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.