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Finding the Fourth Proportional to 8,853.19, 13,279.78 and 2,697.19

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Solution

The fourth proportional to 8,853.19, 13,279.78 and 2,697.19 is: 4,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.19 : 13,279.78 = 2,697.19 : x
  2. Step 2: Convert to fraction form
    8,853.19/13,279.78 = 2,697.19/x
  3. Step 3: Cross multiply
    8,853.19x = 13,279.78 × 2,697.19
  4. Step 4: Simplify right side
    8,853.19x = 35,818,059.99
  5. Step 5: Solve for x
    x = 35,818,059.99/8,853.19
  6. Step 6: Final answer
    x = 4,045.78

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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.