Home / 8,207.75-11,326.97-4,671.19

Finding the Fourth Proportional to 8,207.75, 11,326.97 and 4,671.19

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Solution

The fourth proportional to 8,207.75, 11,326.97 and 4,671.19 is: 6,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.75 : 11,326.97 = 4,671.19 : x
  2. Step 2: Convert to fraction form
    8,207.75/11,326.97 = 4,671.19/x
  3. Step 3: Cross multiply
    8,207.75x = 11,326.97 × 4,671.19
  4. Step 4: Simplify right side
    8,207.75x = 52,910,428.99
  5. Step 5: Solve for x
    x = 52,910,428.99/8,207.75
  6. Step 6: Final answer
    x = 6,446.40

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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.