Home / 6,639.11-9,956.37-2,943.93

Finding the Fourth Proportional to 6,639.11, 9,956.37 and 2,943.93

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Solution

The fourth proportional to 6,639.11, 9,956.37 and 2,943.93 is: 4,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.11 : 9,956.37 = 2,943.93 : x
  2. Step 2: Convert to fraction form
    6,639.11/9,956.37 = 2,943.93/x
  3. Step 3: Cross multiply
    6,639.11x = 9,956.37 × 2,943.93
  4. Step 4: Simplify right side
    6,639.11x = 29,310,830.04
  5. Step 5: Solve for x
    x = 29,310,830.04/6,639.11
  6. Step 6: Final answer
    x = 4,414.87

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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.