Home / 4,549.79-6,818.27-3,621.21

Finding the Fourth Proportional to 4,549.79, 6,818.27 and 3,621.21

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Solution

The fourth proportional to 4,549.79, 6,818.27 and 3,621.21 is: 5,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.79 : 6,818.27 = 3,621.21 : x
  2. Step 2: Convert to fraction form
    4,549.79/6,818.27 = 3,621.21/x
  3. Step 3: Cross multiply
    4,549.79x = 6,818.27 × 3,621.21
  4. Step 4: Simplify right side
    4,549.79x = 24,690,369.40
  5. Step 5: Solve for x
    x = 24,690,369.40/4,549.79
  6. Step 6: Final answer
    x = 5,426.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.