Home / 5,422.08-8,133.12-3,114.24

Finding the Fourth Proportional to 5,422.08, 8,133.12 and 3,114.24

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Solution

The fourth proportional to 5,422.08, 8,133.12 and 3,114.24 is: 4,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.08 : 8,133.12 = 3,114.24 : x
  2. Step 2: Convert to fraction form
    5,422.08/8,133.12 = 3,114.24/x
  3. Step 3: Cross multiply
    5,422.08x = 8,133.12 × 3,114.24
  4. Step 4: Simplify right side
    5,422.08x = 25,328,487.63
  5. Step 5: Solve for x
    x = 25,328,487.63/5,422.08
  6. Step 6: Final answer
    x = 4,671.36

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Double scale
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Similar ratio
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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.