Home / 5,421.25-7,481.33-2,937.25

Finding the Fourth Proportional to 5,421.25, 7,481.33 and 2,937.25

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Solution

The fourth proportional to 5,421.25, 7,481.33 and 2,937.25 is: 4,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.25 : 7,481.33 = 2,937.25 : x
  2. Step 2: Convert to fraction form
    5,421.25/7,481.33 = 2,937.25/x
  3. Step 3: Cross multiply
    5,421.25x = 7,481.33 × 2,937.25
  4. Step 4: Simplify right side
    5,421.25x = 21,974,536.54
  5. Step 5: Solve for x
    x = 21,974,536.54/5,421.25
  6. Step 6: Final answer
    x = 4,053.41

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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.