Home / 8,161.24-11,261.61-4,805.11

Finding the Fourth Proportional to 8,161.24, 11,261.61 and 4,805.11

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Solution

The fourth proportional to 8,161.24, 11,261.61 and 4,805.11 is: 6,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.24 : 11,261.61 = 4,805.11 : x
  2. Step 2: Convert to fraction form
    8,161.24/11,261.61 = 4,805.11/x
  3. Step 3: Cross multiply
    8,161.24x = 11,261.61 × 4,805.11
  4. Step 4: Simplify right side
    8,161.24x = 54,113,218.52
  5. Step 5: Solve for x
    x = 54,113,218.52/8,161.24
  6. Step 6: Final answer
    x = 6,630.52

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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.