Home / 8,002.08-12,002.26-2,159.28

Finding the Fourth Proportional to 8,002.08, 12,002.26 and 2,159.28

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Solution

The fourth proportional to 8,002.08, 12,002.26 and 2,159.28 is: 3,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.08 : 12,002.26 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    8,002.08/12,002.26 = 2,159.28/x
  3. Step 3: Cross multiply
    8,002.08x = 12,002.26 × 2,159.28
  4. Step 4: Simplify right side
    8,002.08x = 25,916,239.97
  5. Step 5: Solve for x
    x = 25,916,239.97/8,002.08
  6. Step 6: Final answer
    x = 3,238.69

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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.