Home / 8,010.20-12,012.36-3,329.96

Finding the Fourth Proportional to 8,010.20, 12,012.36 and 3,329.96

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Solution

The fourth proportional to 8,010.20, 12,012.36 and 3,329.96 is: 4,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.20 : 12,012.36 = 3,329.96 : x
  2. Step 2: Convert to fraction form
    8,010.20/12,012.36 = 3,329.96/x
  3. Step 3: Cross multiply
    8,010.20x = 12,012.36 × 3,329.96
  4. Step 4: Simplify right side
    8,010.20x = 40,000,678.31
  5. Step 5: Solve for x
    x = 40,000,678.31/8,010.20
  6. Step 6: Final answer
    x = 4,993.72

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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.