Home / 5,448.50-7,518.42-3,179.48

Finding the Fourth Proportional to 5,448.50, 7,518.42 and 3,179.48

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Solution

The fourth proportional to 5,448.50, 7,518.42 and 3,179.48 is: 4,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.50 : 7,518.42 = 3,179.48 : x
  2. Step 2: Convert to fraction form
    5,448.50/7,518.42 = 3,179.48/x
  3. Step 3: Cross multiply
    5,448.50x = 7,518.42 × 3,179.48
  4. Step 4: Simplify right side
    5,448.50x = 23,904,666.02
  5. Step 5: Solve for x
    x = 23,904,666.02/5,448.50
  6. Step 6: Final answer
    x = 4,387.38

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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.