Home / 4,819.84-6,643.42-3,225.91

Finding the Fourth Proportional to 4,819.84, 6,643.42 and 3,225.91

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Solution

The fourth proportional to 4,819.84, 6,643.42 and 3,225.91 is: 4,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.84 : 6,643.42 = 3,225.91 : x
  2. Step 2: Convert to fraction form
    4,819.84/6,643.42 = 3,225.91/x
  3. Step 3: Cross multiply
    4,819.84x = 6,643.42 × 3,225.91
  4. Step 4: Simplify right side
    4,819.84x = 21,431,062.80
  5. Step 5: Solve for x
    x = 21,431,062.80/4,819.84
  6. Step 6: Final answer
    x = 4,446.43

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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.