Home / 7,287.10-10,927.96-2,605.84

Finding the Fourth Proportional to 7,287.10, 10,927.96 and 2,605.84

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Solution

The fourth proportional to 7,287.10, 10,927.96 and 2,605.84 is: 3,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.10 : 10,927.96 = 2,605.84 : x
  2. Step 2: Convert to fraction form
    7,287.10/10,927.96 = 2,605.84/x
  3. Step 3: Cross multiply
    7,287.10x = 10,927.96 × 2,605.84
  4. Step 4: Simplify right side
    7,287.10x = 28,476,447.62
  5. Step 5: Solve for x
    x = 28,476,447.62/7,287.10
  6. Step 6: Final answer
    x = 3,907.79

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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.