Home / 4,142.18-6,209.29-2,657.25

Finding the Fourth Proportional to 4,142.18, 6,209.29 and 2,657.25

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Solution

The fourth proportional to 4,142.18, 6,209.29 and 2,657.25 is: 3,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.18 : 6,209.29 = 2,657.25 : x
  2. Step 2: Convert to fraction form
    4,142.18/6,209.29 = 2,657.25/x
  3. Step 3: Cross multiply
    4,142.18x = 6,209.29 × 2,657.25
  4. Step 4: Simplify right side
    4,142.18x = 16,499,629.21
  5. Step 5: Solve for x
    x = 16,499,629.21/4,142.18
  6. Step 6: Final answer
    x = 3,983.32

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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.