Home / 8,260.92-11,394.30-5,115.24

Finding the Fourth Proportional to 8,260.92, 11,394.30 and 5,115.24

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Solution

The fourth proportional to 8,260.92, 11,394.30 and 5,115.24 is: 7,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.92 : 11,394.30 = 5,115.24 : x
  2. Step 2: Convert to fraction form
    8,260.92/11,394.30 = 5,115.24/x
  3. Step 3: Cross multiply
    8,260.92x = 11,394.30 × 5,115.24
  4. Step 4: Simplify right side
    8,260.92x = 58,284,579.13
  5. Step 5: Solve for x
    x = 58,284,579.13/8,260.92
  6. Step 6: Final answer
    x = 7,055.46

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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.