Home / 8,766.74-13,145.58-3,218.66

Finding the Fourth Proportional to 8,766.74, 13,145.58 and 3,218.66

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Solution

The fourth proportional to 8,766.74, 13,145.58 and 3,218.66 is: 4,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.74 : 13,145.58 = 3,218.66 : x
  2. Step 2: Convert to fraction form
    8,766.74/13,145.58 = 3,218.66/x
  3. Step 3: Cross multiply
    8,766.74x = 13,145.58 × 3,218.66
  4. Step 4: Simplify right side
    8,766.74x = 42,311,152.52
  5. Step 5: Solve for x
    x = 42,311,152.52/8,766.74
  6. Step 6: Final answer
    x = 4,826.33

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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.