Home / 5,148.80-7,105.55-3,024.39

Finding the Fourth Proportional to 5,148.80, 7,105.55 and 3,024.39

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Solution

The fourth proportional to 5,148.80, 7,105.55 and 3,024.39 is: 4,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.80 : 7,105.55 = 3,024.39 : x
  2. Step 2: Convert to fraction form
    5,148.80/7,105.55 = 3,024.39/x
  3. Step 3: Cross multiply
    5,148.80x = 7,105.55 × 3,024.39
  4. Step 4: Simplify right side
    5,148.80x = 21,489,939.24
  5. Step 5: Solve for x
    x = 21,489,939.24/5,148.80
  6. Step 6: Final answer
    x = 4,173.78

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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.