Home / 5,419.50-8,126.55-2,644.44

Finding the Fourth Proportional to 5,419.50, 8,126.55 and 2,644.44

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Solution

The fourth proportional to 5,419.50, 8,126.55 and 2,644.44 is: 3,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.50 : 8,126.55 = 2,644.44 : x
  2. Step 2: Convert to fraction form
    5,419.50/8,126.55 = 2,644.44/x
  3. Step 3: Cross multiply
    5,419.50x = 8,126.55 × 2,644.44
  4. Step 4: Simplify right side
    5,419.50x = 21,490,173.88
  5. Step 5: Solve for x
    x = 21,490,173.88/5,419.50
  6. Step 6: Final answer
    x = 3,965.34

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Half scale
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Double scale
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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.