Home / 4,369.31-6,520.38-3,902.21

Finding the Fourth Proportional to 4,369.31, 6,520.38 and 3,902.21

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Solution

The fourth proportional to 4,369.31, 6,520.38 and 3,902.21 is: 5,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.31 : 6,520.38 = 3,902.21 : x
  2. Step 2: Convert to fraction form
    4,369.31/6,520.38 = 3,902.21/x
  3. Step 3: Cross multiply
    4,369.31x = 6,520.38 × 3,902.21
  4. Step 4: Simplify right side
    4,369.31x = 25,443,892.04
  5. Step 5: Solve for x
    x = 25,443,892.04/4,369.31
  6. Step 6: Final answer
    x = 5,823.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.