Home / 7,538.92-11,309.33-2,860.56

Finding the Fourth Proportional to 7,538.92, 11,309.33 and 2,860.56

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Solution

The fourth proportional to 7,538.92, 11,309.33 and 2,860.56 is: 4,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.92 : 11,309.33 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    7,538.92/11,309.33 = 2,860.56/x
  3. Step 3: Cross multiply
    7,538.92x = 11,309.33 × 2,860.56
  4. Step 4: Simplify right side
    7,538.92x = 32,351,024.18
  5. Step 5: Solve for x
    x = 32,351,024.18/7,538.92
  6. Step 6: Final answer
    x = 4,291.20

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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.