Home / 4,223.84-5,825.40-3,179.12

Finding the Fourth Proportional to 4,223.84, 5,825.40 and 3,179.12

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Solution

The fourth proportional to 4,223.84, 5,825.40 and 3,179.12 is: 4,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.84 : 5,825.40 = 3,179.12 : x
  2. Step 2: Convert to fraction form
    4,223.84/5,825.40 = 3,179.12/x
  3. Step 3: Cross multiply
    4,223.84x = 5,825.40 × 3,179.12
  4. Step 4: Simplify right side
    4,223.84x = 18,519,645.65
  5. Step 5: Solve for x
    x = 18,519,645.65/4,223.84
  6. Step 6: Final answer
    x = 4,384.55

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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.