Home / 4,108.32-6,160.20-2,811.36

Finding the Fourth Proportional to 4,108.32, 6,160.20 and 2,811.36

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Solution

The fourth proportional to 4,108.32, 6,160.20 and 2,811.36 is: 4,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.32 : 6,160.20 = 2,811.36 : x
  2. Step 2: Convert to fraction form
    4,108.32/6,160.20 = 2,811.36/x
  3. Step 3: Cross multiply
    4,108.32x = 6,160.20 × 2,811.36
  4. Step 4: Simplify right side
    4,108.32x = 17,318,539.87
  5. Step 5: Solve for x
    x = 17,318,539.87/4,108.32
  6. Step 6: Final answer
    x = 4,215.48

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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.