Home / 7,477.27-11,215.92-2,797.09

Finding the Fourth Proportional to 7,477.27, 11,215.92 and 2,797.09

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Solution

The fourth proportional to 7,477.27, 11,215.92 and 2,797.09 is: 4,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.27 : 11,215.92 = 2,797.09 : x
  2. Step 2: Convert to fraction form
    7,477.27/11,215.92 = 2,797.09/x
  3. Step 3: Cross multiply
    7,477.27x = 11,215.92 × 2,797.09
  4. Step 4: Simplify right side
    7,477.27x = 31,371,937.67
  5. Step 5: Solve for x
    x = 31,371,937.67/7,477.27
  6. Step 6: Final answer
    x = 4,195.64

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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.