Home / 5,105.10-7,044.98-2,866.92

Finding the Fourth Proportional to 5,105.10, 7,044.98 and 2,866.92

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Solution

The fourth proportional to 5,105.10, 7,044.98 and 2,866.92 is: 3,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.10 : 7,044.98 = 2,866.92 : x
  2. Step 2: Convert to fraction form
    5,105.10/7,044.98 = 2,866.92/x
  3. Step 3: Cross multiply
    5,105.10x = 7,044.98 × 2,866.92
  4. Step 4: Simplify right side
    5,105.10x = 20,197,379.73
  5. Step 5: Solve for x
    x = 20,197,379.73/5,105.10
  6. Step 6: Final answer
    x = 3,956.31

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Half scale
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Double scale
Find fourth proportional to 5,106.10, 7,046.35 and 2,867.92
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.