Home / 8,007.30-12,002.74-3,330.02

Finding the Fourth Proportional to 8,007.30, 12,002.74 and 3,330.02

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Solution

The fourth proportional to 8,007.30, 12,002.74 and 3,330.02 is: 4,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.30 : 12,002.74 = 3,330.02 : x
  2. Step 2: Convert to fraction form
    8,007.30/12,002.74 = 3,330.02/x
  3. Step 3: Cross multiply
    8,007.30x = 12,002.74 × 3,330.02
  4. Step 4: Simplify right side
    8,007.30x = 39,969,364.25
  5. Step 5: Solve for x
    x = 39,969,364.25/8,007.30
  6. Step 6: Final answer
    x = 4,991.62

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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.