Home / 5,387.36-7,425.42-4,110.80

Finding the Fourth Proportional to 5,387.36, 7,425.42 and 4,110.80

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Solution

The fourth proportional to 5,387.36, 7,425.42 and 4,110.80 is: 5,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.36 : 7,425.42 = 4,110.80 : x
  2. Step 2: Convert to fraction form
    5,387.36/7,425.42 = 4,110.80/x
  3. Step 3: Cross multiply
    5,387.36x = 7,425.42 × 4,110.80
  4. Step 4: Simplify right side
    5,387.36x = 30,524,416.54
  5. Step 5: Solve for x
    x = 30,524,416.54/5,387.36
  6. Step 6: Final answer
    x = 5,665.93

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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.