Home / 4,129.98-6,187.68-2,740.02

Finding the Fourth Proportional to 4,129.98, 6,187.68 and 2,740.02

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Solution

The fourth proportional to 4,129.98, 6,187.68 and 2,740.02 is: 4,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.98 : 6,187.68 = 2,740.02 : x
  2. Step 2: Convert to fraction form
    4,129.98/6,187.68 = 2,740.02/x
  3. Step 3: Cross multiply
    4,129.98x = 6,187.68 × 2,740.02
  4. Step 4: Simplify right side
    4,129.98x = 16,954,366.95
  5. Step 5: Solve for x
    x = 16,954,366.95/4,129.98
  6. Step 6: Final answer
    x = 4,105.19

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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.