Home / 7,404.28-11,107.67-2,475.43

Finding the Fourth Proportional to 7,404.28, 11,107.67 and 2,475.43

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Solution

The fourth proportional to 7,404.28, 11,107.67 and 2,475.43 is: 3,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.28 : 11,107.67 = 2,475.43 : x
  2. Step 2: Convert to fraction form
    7,404.28/11,107.67 = 2,475.43/x
  3. Step 3: Cross multiply
    7,404.28x = 11,107.67 × 2,475.43
  4. Step 4: Simplify right side
    7,404.28x = 27,496,219.40
  5. Step 5: Solve for x
    x = 27,496,219.40/7,404.28
  6. Step 6: Final answer
    x = 3,713.56

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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.