Home / 4,490.68-6,195.30-2,721.64

Finding the Fourth Proportional to 4,490.68, 6,195.30 and 2,721.64

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Solution

The fourth proportional to 4,490.68, 6,195.30 and 2,721.64 is: 3,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.68 : 6,195.30 = 2,721.64 : x
  2. Step 2: Convert to fraction form
    4,490.68/6,195.30 = 2,721.64/x
  3. Step 3: Cross multiply
    4,490.68x = 6,195.30 × 2,721.64
  4. Step 4: Simplify right side
    4,490.68x = 16,861,376.29
  5. Step 5: Solve for x
    x = 16,861,376.29/4,490.68
  6. Step 6: Final answer
    x = 3,754.75

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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.