Home / 8,647.68-11,934.72-4,922.88

Finding the Fourth Proportional to 8,647.68, 11,934.72 and 4,922.88

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Solution

The fourth proportional to 8,647.68, 11,934.72 and 4,922.88 is: 6,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.68 : 11,934.72 = 4,922.88 : x
  2. Step 2: Convert to fraction form
    8,647.68/11,934.72 = 4,922.88/x
  3. Step 3: Cross multiply
    8,647.68x = 11,934.72 × 4,922.88
  4. Step 4: Simplify right side
    8,647.68x = 58,753,194.39
  5. Step 5: Solve for x
    x = 58,753,194.39/8,647.68
  6. Step 6: Final answer
    x = 6,794.10

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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.