Home / 8,038.20-12,047.97-3,355.59

Finding the Fourth Proportional to 8,038.20, 12,047.97 and 3,355.59

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Solution

The fourth proportional to 8,038.20, 12,047.97 and 3,355.59 is: 5,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.20 : 12,047.97 = 3,355.59 : x
  2. Step 2: Convert to fraction form
    8,038.20/12,047.97 = 3,355.59/x
  3. Step 3: Cross multiply
    8,038.20x = 12,047.97 × 3,355.59
  4. Step 4: Simplify right side
    8,038.20x = 40,428,047.65
  5. Step 5: Solve for x
    x = 40,428,047.65/8,038.20
  6. Step 6: Final answer
    x = 5,029.49

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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.