Home / 8,040.40-12,062.52-3,357.80

Finding the Fourth Proportional to 8,040.40, 12,062.52 and 3,357.80

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Solution

The fourth proportional to 8,040.40, 12,062.52 and 3,357.80 is: 5,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.40 : 12,062.52 = 3,357.80 : x
  2. Step 2: Convert to fraction form
    8,040.40/12,062.52 = 3,357.80/x
  3. Step 3: Cross multiply
    8,040.40x = 12,062.52 × 3,357.80
  4. Step 4: Simplify right side
    8,040.40x = 40,503,529.66
  5. Step 5: Solve for x
    x = 40,503,529.66/8,040.40
  6. Step 6: Final answer
    x = 5,037.50

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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.