Home / 8,190.60-12,277.80-3,253.65

Finding the Fourth Proportional to 8,190.60, 12,277.80 and 3,253.65

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Solution

The fourth proportional to 8,190.60, 12,277.80 and 3,253.65 is: 4,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.60 : 12,277.80 = 3,253.65 : x
  2. Step 2: Convert to fraction form
    8,190.60/12,277.80 = 3,253.65/x
  3. Step 3: Cross multiply
    8,190.60x = 12,277.80 × 3,253.65
  4. Step 4: Simplify right side
    8,190.60x = 39,947,663.97
  5. Step 5: Solve for x
    x = 39,947,663.97/8,190.60
  6. Step 6: Final answer
    x = 4,877.26

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1.5x scale

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.