Home / 4,490.79-6,188.75-3,229.62

Finding the Fourth Proportional to 4,490.79, 6,188.75 and 3,229.62

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Solution

The fourth proportional to 4,490.79, 6,188.75 and 3,229.62 is: 4,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.79 : 6,188.75 = 3,229.62 : x
  2. Step 2: Convert to fraction form
    4,490.79/6,188.75 = 3,229.62/x
  3. Step 3: Cross multiply
    4,490.79x = 6,188.75 × 3,229.62
  4. Step 4: Simplify right side
    4,490.79x = 19,987,336.51
  5. Step 5: Solve for x
    x = 19,987,336.51/4,490.79
  6. Step 6: Final answer
    x = 4,450.74

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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.