Home / 6,671.72-10,007.78-2,776.43

Finding the Fourth Proportional to 6,671.72, 10,007.78 and 2,776.43

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Solution

The fourth proportional to 6,671.72, 10,007.78 and 2,776.43 is: 4,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.72 : 10,007.78 = 2,776.43 : x
  2. Step 2: Convert to fraction form
    6,671.72/10,007.78 = 2,776.43/x
  3. Step 3: Cross multiply
    6,671.72x = 10,007.78 × 2,776.43
  4. Step 4: Simplify right side
    6,671.72x = 27,785,836.70
  5. Step 5: Solve for x
    x = 27,785,836.70/6,671.72
  6. Step 6: Final answer
    x = 4,164.72

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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.