Home / 8,766.74-13,150.19-3,220.18

Finding the Fourth Proportional to 8,766.74, 13,150.19 and 3,220.18

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Solution

The fourth proportional to 8,766.74, 13,150.19 and 3,220.18 is: 4,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.74 : 13,150.19 = 3,220.18 : x
  2. Step 2: Convert to fraction form
    8,766.74/13,150.19 = 3,220.18/x
  3. Step 3: Cross multiply
    8,766.74x = 13,150.19 × 3,220.18
  4. Step 4: Simplify right side
    8,766.74x = 42,345,978.83
  5. Step 5: Solve for x
    x = 42,345,978.83/8,766.74
  6. Step 6: Final answer
    x = 4,830.30

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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.