Home / 8,857.98-12,223.68-4,879.38

Finding the Fourth Proportional to 8,857.98, 12,223.68 and 4,879.38

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Solution

The fourth proportional to 8,857.98, 12,223.68 and 4,879.38 is: 6,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.98 : 12,223.68 = 4,879.38 : x
  2. Step 2: Convert to fraction form
    8,857.98/12,223.68 = 4,879.38/x
  3. Step 3: Cross multiply
    8,857.98x = 12,223.68 × 4,879.38
  4. Step 4: Simplify right side
    8,857.98x = 59,643,979.72
  5. Step 5: Solve for x
    x = 59,643,979.72/8,857.98
  6. Step 6: Final answer
    x = 6,733.36

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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.