Home / 8,386.36-12,577.29-3,995.08

Finding the Fourth Proportional to 8,386.36, 12,577.29 and 3,995.08

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Solution

The fourth proportional to 8,386.36, 12,577.29 and 3,995.08 is: 5,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.36 : 12,577.29 = 3,995.08 : x
  2. Step 2: Convert to fraction form
    8,386.36/12,577.29 = 3,995.08/x
  3. Step 3: Cross multiply
    8,386.36x = 12,577.29 × 3,995.08
  4. Step 4: Simplify right side
    8,386.36x = 50,247,279.73
  5. Step 5: Solve for x
    x = 50,247,279.73/8,386.36
  6. Step 6: Final answer
    x = 5,991.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.