Home / 8,266.28-11,407.48-4,489.44

Finding the Fourth Proportional to 8,266.28, 11,407.48 and 4,489.44

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Solution

The fourth proportional to 8,266.28, 11,407.48 and 4,489.44 is: 6,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.28 : 11,407.48 = 4,489.44 : x
  2. Step 2: Convert to fraction form
    8,266.28/11,407.48 = 4,489.44/x
  3. Step 3: Cross multiply
    8,266.28x = 11,407.48 × 4,489.44
  4. Step 4: Simplify right side
    8,266.28x = 51,213,197.01
  5. Step 5: Solve for x
    x = 51,213,197.01/8,266.28
  6. Step 6: Final answer
    x = 6,195.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.