Home / 8,478.24-12,717.32-2,634.84

Finding the Fourth Proportional to 8,478.24, 12,717.32 and 2,634.84

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Solution

The fourth proportional to 8,478.24, 12,717.32 and 2,634.84 is: 3,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.24 : 12,717.32 = 2,634.84 : x
  2. Step 2: Convert to fraction form
    8,478.24/12,717.32 = 2,634.84/x
  3. Step 3: Cross multiply
    8,478.24x = 12,717.32 × 2,634.84
  4. Step 4: Simplify right side
    8,478.24x = 33,508,103.43
  5. Step 5: Solve for x
    x = 33,508,103.43/8,478.24
  6. Step 6: Final answer
    x = 3,952.25

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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.