Home / 7,410.49-11,115.74-1,863.83

Finding the Fourth Proportional to 7,410.49, 11,115.74 and 1,863.83

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Solution

The fourth proportional to 7,410.49, 11,115.74 and 1,863.83 is: 2,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.49 : 11,115.74 = 1,863.83 : x
  2. Step 2: Convert to fraction form
    7,410.49/11,115.74 = 1,863.83/x
  3. Step 3: Cross multiply
    7,410.49x = 11,115.74 × 1,863.83
  4. Step 4: Simplify right side
    7,410.49x = 20,717,882.13
  5. Step 5: Solve for x
    x = 20,717,882.13/7,410.49
  6. Step 6: Final answer
    x = 2,795.75

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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.