Home / 5,174.08-7,143.60-3,408.69

Finding the Fourth Proportional to 5,174.08, 7,143.60 and 3,408.69

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Solution

The fourth proportional to 5,174.08, 7,143.60 and 3,408.69 is: 4,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.08 : 7,143.60 = 3,408.69 : x
  2. Step 2: Convert to fraction form
    5,174.08/7,143.60 = 3,408.69/x
  3. Step 3: Cross multiply
    5,174.08x = 7,143.60 × 3,408.69
  4. Step 4: Simplify right side
    5,174.08x = 24,350,317.88
  5. Step 5: Solve for x
    x = 24,350,317.88/5,174.08
  6. Step 6: Final answer
    x = 4,706.21

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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.