Home / 6,972.78-10,456.94-2,291.70

Finding the Fourth Proportional to 6,972.78, 10,456.94 and 2,291.70

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Solution

The fourth proportional to 6,972.78, 10,456.94 and 2,291.70 is: 3,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.78 : 10,456.94 = 2,291.70 : x
  2. Step 2: Convert to fraction form
    6,972.78/10,456.94 = 2,291.70/x
  3. Step 3: Cross multiply
    6,972.78x = 10,456.94 × 2,291.70
  4. Step 4: Simplify right side
    6,972.78x = 23,964,157.94
  5. Step 5: Solve for x
    x = 23,964,157.94/6,972.78
  6. Step 6: Final answer
    x = 3,436.82

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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.