Home / 7,672.78-11,487.73-4,150.19

Finding the Fourth Proportional to 7,672.78, 11,487.73 and 4,150.19

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Solution

The fourth proportional to 7,672.78, 11,487.73 and 4,150.19 is: 6,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.78 : 11,487.73 = 4,150.19 : x
  2. Step 2: Convert to fraction form
    7,672.78/11,487.73 = 4,150.19/x
  3. Step 3: Cross multiply
    7,672.78x = 11,487.73 × 4,150.19
  4. Step 4: Simplify right side
    7,672.78x = 47,676,204.73
  5. Step 5: Solve for x
    x = 47,676,204.73/7,672.78
  6. Step 6: Final answer
    x = 6,213.68

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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.