Home / 8,330.33-12,501.68-3,947.80

Finding the Fourth Proportional to 8,330.33, 12,501.68 and 3,947.80

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Solution

The fourth proportional to 8,330.33, 12,501.68 and 3,947.80 is: 5,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.33 : 12,501.68 = 3,947.80 : x
  2. Step 2: Convert to fraction form
    8,330.33/12,501.68 = 3,947.80/x
  3. Step 3: Cross multiply
    8,330.33x = 12,501.68 × 3,947.80
  4. Step 4: Simplify right side
    8,330.33x = 49,354,132.30
  5. Step 5: Solve for x
    x = 49,354,132.30/8,330.33
  6. Step 6: Final answer
    x = 5,924.63

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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.