Home / 8,142.56-11,241.78-6,250.52

Finding the Fourth Proportional to 8,142.56, 11,241.78 and 6,250.52

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Solution

The fourth proportional to 8,142.56, 11,241.78 and 6,250.52 is: 8,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.56 : 11,241.78 = 6,250.52 : x
  2. Step 2: Convert to fraction form
    8,142.56/11,241.78 = 6,250.52/x
  3. Step 3: Cross multiply
    8,142.56x = 11,241.78 × 6,250.52
  4. Step 4: Simplify right side
    8,142.56x = 70,266,970.73
  5. Step 5: Solve for x
    x = 70,266,970.73/8,142.56
  6. Step 6: Final answer
    x = 8,629.59

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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.