Home / 8,003.35-12,005.66-2,159.87

Finding the Fourth Proportional to 8,003.35, 12,005.66 and 2,159.87

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Solution

The fourth proportional to 8,003.35, 12,005.66 and 2,159.87 is: 3,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.35 : 12,005.66 = 2,159.87 : x
  2. Step 2: Convert to fraction form
    8,003.35/12,005.66 = 2,159.87/x
  3. Step 3: Cross multiply
    8,003.35x = 12,005.66 × 2,159.87
  4. Step 4: Simplify right side
    8,003.35x = 25,930,700.28
  5. Step 5: Solve for x
    x = 25,930,700.28/8,003.35
  6. Step 6: Final answer
    x = 3,239.98

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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.