Home / 7,449.32-11,175.38-3,554

Finding the Fourth Proportional to 7,449.32, 11,175.38 and 3,554

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Solution

The fourth proportional to 7,449.32, 11,175.38 and 3,554 is: 5,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.32 : 11,175.38 = 3,554 : x
  2. Step 2: Convert to fraction form
    7,449.32/11,175.38 = 3,554/x
  3. Step 3: Cross multiply
    7,449.32x = 11,175.38 × 3,554
  4. Step 4: Simplify right side
    7,449.32x = 39,717,300.52
  5. Step 5: Solve for x
    x = 39,717,300.52/7,449.32
  6. Step 6: Final answer
    x = 5,331.67

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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.