Home / 7,964.76-11,943.03-3,578.46

Finding the Fourth Proportional to 7,964.76, 11,943.03 and 3,578.46

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Solution

The fourth proportional to 7,964.76, 11,943.03 and 3,578.46 is: 5,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.76 : 11,943.03 = 3,578.46 : x
  2. Step 2: Convert to fraction form
    7,964.76/11,943.03 = 3,578.46/x
  3. Step 3: Cross multiply
    7,964.76x = 11,943.03 × 3,578.46
  4. Step 4: Simplify right side
    7,964.76x = 42,737,655.13
  5. Step 5: Solve for x
    x = 42,737,655.13/7,964.76
  6. Step 6: Final answer
    x = 5,365.84

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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.