Home / 8,002.07-12,003.10-2,158.68

Finding the Fourth Proportional to 8,002.07, 12,003.10 and 2,158.68

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Solution

The fourth proportional to 8,002.07, 12,003.10 and 2,158.68 is: 3,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.07 : 12,003.10 = 2,158.68 : x
  2. Step 2: Convert to fraction form
    8,002.07/12,003.10 = 2,158.68/x
  3. Step 3: Cross multiply
    8,002.07x = 12,003.10 × 2,158.68
  4. Step 4: Simplify right side
    8,002.07x = 25,910,791.89
  5. Step 5: Solve for x
    x = 25,910,791.89/8,002.07
  6. Step 6: Final answer
    x = 3,238.01

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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.