Home / 8,265.75-12,393.24-2,999.78

Finding the Fourth Proportional to 8,265.75, 12,393.24 and 2,999.78

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Solution

The fourth proportional to 8,265.75, 12,393.24 and 2,999.78 is: 4,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.75 : 12,393.24 = 2,999.78 : x
  2. Step 2: Convert to fraction form
    8,265.75/12,393.24 = 2,999.78/x
  3. Step 3: Cross multiply
    8,265.75x = 12,393.24 × 2,999.78
  4. Step 4: Simplify right side
    8,265.75x = 37,176,993.49
  5. Step 5: Solve for x
    x = 37,176,993.49/8,265.75
  6. Step 6: Final answer
    x = 4,497.72

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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.