Home / 8,110.32-12,162.51-3,949.08

Finding the Fourth Proportional to 8,110.32, 12,162.51 and 3,949.08

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Solution

The fourth proportional to 8,110.32, 12,162.51 and 3,949.08 is: 5,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.32 : 12,162.51 = 3,949.08 : x
  2. Step 2: Convert to fraction form
    8,110.32/12,162.51 = 3,949.08/x
  3. Step 3: Cross multiply
    8,110.32x = 12,162.51 × 3,949.08
  4. Step 4: Simplify right side
    8,110.32x = 48,030,724.99
  5. Step 5: Solve for x
    x = 48,030,724.99/8,110.32
  6. Step 6: Final answer
    x = 5,922.17

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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.