Home / 5,448.80-7,522.36-3,749.78

Finding the Fourth Proportional to 5,448.80, 7,522.36 and 3,749.78

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Solution

The fourth proportional to 5,448.80, 7,522.36 and 3,749.78 is: 5,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.80 : 7,522.36 = 3,749.78 : x
  2. Step 2: Convert to fraction form
    5,448.80/7,522.36 = 3,749.78/x
  3. Step 3: Cross multiply
    5,448.80x = 7,522.36 × 3,749.78
  4. Step 4: Simplify right side
    5,448.80x = 28,207,148.09
  5. Step 5: Solve for x
    x = 28,207,148.09/5,448.80
  6. Step 6: Final answer
    x = 5,176.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.