Home / 7,782.38-11,674.23-2,236.18

Finding the Fourth Proportional to 7,782.38, 11,674.23 and 2,236.18

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Solution

The fourth proportional to 7,782.38, 11,674.23 and 2,236.18 is: 3,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.38 : 11,674.23 = 2,236.18 : x
  2. Step 2: Convert to fraction form
    7,782.38/11,674.23 = 2,236.18/x
  3. Step 3: Cross multiply
    7,782.38x = 11,674.23 × 2,236.18
  4. Step 4: Simplify right side
    7,782.38x = 26,105,679.64
  5. Step 5: Solve for x
    x = 26,105,679.64/7,782.38
  6. Step 6: Final answer
    x = 3,354.46

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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.