Home / 7,439.29-11,153.46-3,546.43

Finding the Fourth Proportional to 7,439.29, 11,153.46 and 3,546.43

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Solution

The fourth proportional to 7,439.29, 11,153.46 and 3,546.43 is: 5,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.29 : 11,153.46 = 3,546.43 : x
  2. Step 2: Convert to fraction form
    7,439.29/11,153.46 = 3,546.43/x
  3. Step 3: Cross multiply
    7,439.29x = 11,153.46 × 3,546.43
  4. Step 4: Simplify right side
    7,439.29x = 39,554,950.56
  5. Step 5: Solve for x
    x = 39,554,950.56/7,439.29
  6. Step 6: Final answer
    x = 5,317.03

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1.5x scale

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.