Home / 8,378.37-12,552.97-5,742.69

Finding the Fourth Proportional to 8,378.37, 12,552.97 and 5,742.69

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Solution

The fourth proportional to 8,378.37, 12,552.97 and 5,742.69 is: 8,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.37 : 12,552.97 = 5,742.69 : x
  2. Step 2: Convert to fraction form
    8,378.37/12,552.97 = 5,742.69/x
  3. Step 3: Cross multiply
    8,378.37x = 12,552.97 × 5,742.69
  4. Step 4: Simplify right side
    8,378.37x = 72,087,815.29
  5. Step 5: Solve for x
    x = 72,087,815.29/8,378.37
  6. Step 6: Final answer
    x = 8,604.04

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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.