Home / 5,931.20-8,186.76-4,163.24

Finding the Fourth Proportional to 5,931.20, 8,186.76 and 4,163.24

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Solution

The fourth proportional to 5,931.20, 8,186.76 and 4,163.24 is: 5,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.20 : 8,186.76 = 4,163.24 : x
  2. Step 2: Convert to fraction form
    5,931.20/8,186.76 = 4,163.24/x
  3. Step 3: Cross multiply
    5,931.20x = 8,186.76 × 4,163.24
  4. Step 4: Simplify right side
    5,931.20x = 34,083,446.70
  5. Step 5: Solve for x
    x = 34,083,446.70/5,931.20
  6. Step 6: Final answer
    x = 5,746.47

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