Home / 5,377.88-7,419.65-3,388.92

Finding the Fourth Proportional to 5,377.88, 7,419.65 and 3,388.92

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Solution

The fourth proportional to 5,377.88, 7,419.65 and 3,388.92 is: 4,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.88 : 7,419.65 = 3,388.92 : x
  2. Step 2: Convert to fraction form
    5,377.88/7,419.65 = 3,388.92/x
  3. Step 3: Cross multiply
    5,377.88x = 7,419.65 × 3,388.92
  4. Step 4: Simplify right side
    5,377.88x = 25,144,583.33
  5. Step 5: Solve for x
    x = 25,144,583.33/5,377.88
  6. Step 6: Final answer
    x = 4,675.56

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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.