Home / 8,767.20-12,098.83-4,788.43

Finding the Fourth Proportional to 8,767.20, 12,098.83 and 4,788.43

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Solution

The fourth proportional to 8,767.20, 12,098.83 and 4,788.43 is: 6,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.20 : 12,098.83 = 4,788.43 : x
  2. Step 2: Convert to fraction form
    8,767.20/12,098.83 = 4,788.43/x
  3. Step 3: Cross multiply
    8,767.20x = 12,098.83 × 4,788.43
  4. Step 4: Simplify right side
    8,767.20x = 57,934,400.54
  5. Step 5: Solve for x
    x = 57,934,400.54/8,767.20
  6. Step 6: Final answer
    x = 6,608.08

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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.