Home / 7,475.82-11,215.20-2,544.14

Finding the Fourth Proportional to 7,475.82, 11,215.20 and 2,544.14

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Solution

The fourth proportional to 7,475.82, 11,215.20 and 2,544.14 is: 3,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.82 : 11,215.20 = 2,544.14 : x
  2. Step 2: Convert to fraction form
    7,475.82/11,215.20 = 2,544.14/x
  3. Step 3: Cross multiply
    7,475.82x = 11,215.20 × 2,544.14
  4. Step 4: Simplify right side
    7,475.82x = 28,533,038.93
  5. Step 5: Solve for x
    x = 28,533,038.93/7,475.82
  6. Step 6: Final answer
    x = 3,816.71

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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.