Home / 5,425.68-8,127.74-2,644.25

Finding the Fourth Proportional to 5,425.68, 8,127.74 and 2,644.25

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Solution

The fourth proportional to 5,425.68, 8,127.74 and 2,644.25 is: 3,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.68 : 8,127.74 = 2,644.25 : x
  2. Step 2: Convert to fraction form
    5,425.68/8,127.74 = 2,644.25/x
  3. Step 3: Cross multiply
    5,425.68x = 8,127.74 × 2,644.25
  4. Step 4: Simplify right side
    5,425.68x = 21,491,742.47
  5. Step 5: Solve for x
    x = 21,491,742.47/5,425.68
  6. Step 6: Final answer
    x = 3,961.11

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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.