Home / 8,266.31-11,407.60-4,489.52

Finding the Fourth Proportional to 8,266.31, 11,407.60 and 4,489.52

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Solution

The fourth proportional to 8,266.31, 11,407.60 and 4,489.52 is: 6,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.31 : 11,407.60 = 4,489.52 : x
  2. Step 2: Convert to fraction form
    8,266.31/11,407.60 = 4,489.52/x
  3. Step 3: Cross multiply
    8,266.31x = 11,407.60 × 4,489.52
  4. Step 4: Simplify right side
    8,266.31x = 51,214,591.31
  5. Step 5: Solve for x
    x = 51,214,591.31/8,266.31
  6. Step 6: Final answer
    x = 6,195.58

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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.