Home / 8,923.60-13,385.40-2,766.80

Finding the Fourth Proportional to 8,923.60, 13,385.40 and 2,766.80

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Solution

The fourth proportional to 8,923.60, 13,385.40 and 2,766.80 is: 4,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.60 : 13,385.40 = 2,766.80 : x
  2. Step 2: Convert to fraction form
    8,923.60/13,385.40 = 2,766.80/x
  3. Step 3: Cross multiply
    8,923.60x = 13,385.40 × 2,766.80
  4. Step 4: Simplify right side
    8,923.60x = 37,034,724.72
  5. Step 5: Solve for x
    x = 37,034,724.72/8,923.60
  6. Step 6: Final answer
    x = 4,150.20

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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.