Home / 8,174.79-11,279.25-4,817.34

Finding the Fourth Proportional to 8,174.79, 11,279.25 and 4,817.34

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Solution

The fourth proportional to 8,174.79, 11,279.25 and 4,817.34 is: 6,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.79 : 11,279.25 = 4,817.34 : x
  2. Step 2: Convert to fraction form
    8,174.79/11,279.25 = 4,817.34/x
  3. Step 3: Cross multiply
    8,174.79x = 11,279.25 × 4,817.34
  4. Step 4: Simplify right side
    8,174.79x = 54,335,982.20
  5. Step 5: Solve for x
    x = 54,335,982.20/8,174.79
  6. Step 6: Final answer
    x = 6,646.77

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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.