Home / 8,104.75-11,184.56-4,378.75

Finding the Fourth Proportional to 8,104.75, 11,184.56 and 4,378.75

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Solution

The fourth proportional to 8,104.75, 11,184.56 and 4,378.75 is: 6,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.75 : 11,184.56 = 4,378.75 : x
  2. Step 2: Convert to fraction form
    8,104.75/11,184.56 = 4,378.75/x
  3. Step 3: Cross multiply
    8,104.75x = 11,184.56 × 4,378.75
  4. Step 4: Simplify right side
    8,104.75x = 48,974,392.10
  5. Step 5: Solve for x
    x = 48,974,392.10/8,104.75
  6. Step 6: Final answer
    x = 6,042.68

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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.