Home / 8,185.20-12,278.07-2,341.32

Finding the Fourth Proportional to 8,185.20, 12,278.07 and 2,341.32

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Solution

The fourth proportional to 8,185.20, 12,278.07 and 2,341.32 is: 3,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.20 : 12,278.07 = 2,341.32 : x
  2. Step 2: Convert to fraction form
    8,185.20/12,278.07 = 2,341.32/x
  3. Step 3: Cross multiply
    8,185.20x = 12,278.07 × 2,341.32
  4. Step 4: Simplify right side
    8,185.20x = 28,746,890.85
  5. Step 5: Solve for x
    x = 28,746,890.85/8,185.20
  6. Step 6: Final answer
    x = 3,512.06

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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.