Home / 8,103.32-12,155.96-2,259.96

Finding the Fourth Proportional to 8,103.32, 12,155.96 and 2,259.96

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Solution

The fourth proportional to 8,103.32, 12,155.96 and 2,259.96 is: 3,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.32 : 12,155.96 = 2,259.96 : x
  2. Step 2: Convert to fraction form
    8,103.32/12,155.96 = 2,259.96/x
  3. Step 3: Cross multiply
    8,103.32x = 12,155.96 × 2,259.96
  4. Step 4: Simplify right side
    8,103.32x = 27,471,983.36
  5. Step 5: Solve for x
    x = 27,471,983.36/8,103.32
  6. Step 6: Final answer
    x = 3,390.21

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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.