Home / 7,551.87-11,329.38-3,805.76

Finding the Fourth Proportional to 7,551.87, 11,329.38 and 3,805.76

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Solution

The fourth proportional to 7,551.87, 11,329.38 and 3,805.76 is: 5,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.87 : 11,329.38 = 3,805.76 : x
  2. Step 2: Convert to fraction form
    7,551.87/11,329.38 = 3,805.76/x
  3. Step 3: Cross multiply
    7,551.87x = 11,329.38 × 3,805.76
  4. Step 4: Simplify right side
    7,551.87x = 43,116,844.58
  5. Step 5: Solve for x
    x = 43,116,844.58/7,551.87
  6. Step 6: Final answer
    x = 5,709.43

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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.