Home / 4,490.55-6,197.04-2,721.78

Finding the Fourth Proportional to 4,490.55, 6,197.04 and 2,721.78

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Solution

The fourth proportional to 4,490.55, 6,197.04 and 2,721.78 is: 3,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.55 : 6,197.04 = 2,721.78 : x
  2. Step 2: Convert to fraction form
    4,490.55/6,197.04 = 2,721.78/x
  3. Step 3: Cross multiply
    4,490.55x = 6,197.04 × 2,721.78
  4. Step 4: Simplify right side
    4,490.55x = 16,866,979.53
  5. Step 5: Solve for x
    x = 16,866,979.53/4,490.55
  6. Step 6: Final answer
    x = 3,756.11

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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.