Home / 4,388.12-6,548.21-3,920.82

Finding the Fourth Proportional to 4,388.12, 6,548.21 and 3,920.82

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Solution

The fourth proportional to 4,388.12, 6,548.21 and 3,920.82 is: 5,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.12 : 6,548.21 = 3,920.82 : x
  2. Step 2: Convert to fraction form
    4,388.12/6,548.21 = 3,920.82/x
  3. Step 3: Cross multiply
    4,388.12x = 6,548.21 × 3,920.82
  4. Step 4: Simplify right side
    4,388.12x = 25,674,329.79
  5. Step 5: Solve for x
    x = 25,674,329.79/4,388.12
  6. Step 6: Final answer
    x = 5,850.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.