Home / 8,002.42-12,003.63-2,808.29

Finding the Fourth Proportional to 8,002.42, 12,003.63 and 2,808.29

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Solution

The fourth proportional to 8,002.42, 12,003.63 and 2,808.29 is: 4,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.42 : 12,003.63 = 2,808.29 : x
  2. Step 2: Convert to fraction form
    8,002.42/12,003.63 = 2,808.29/x
  3. Step 3: Cross multiply
    8,002.42x = 12,003.63 × 2,808.29
  4. Step 4: Simplify right side
    8,002.42x = 33,709,693.57
  5. Step 5: Solve for x
    x = 33,709,693.57/8,002.42
  6. Step 6: Final answer
    x = 4,212.44

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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.