Home / 6,897.78-10,338.03-3,436.02

Finding the Fourth Proportional to 6,897.78, 10,338.03 and 3,436.02

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Solution

The fourth proportional to 6,897.78, 10,338.03 and 3,436.02 is: 5,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.78 : 10,338.03 = 3,436.02 : x
  2. Step 2: Convert to fraction form
    6,897.78/10,338.03 = 3,436.02/x
  3. Step 3: Cross multiply
    6,897.78x = 10,338.03 × 3,436.02
  4. Step 4: Simplify right side
    6,897.78x = 35,521,677.84
  5. Step 5: Solve for x
    x = 35,521,677.84/6,897.78
  6. Step 6: Final answer
    x = 5,149.73

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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.