Home / 4,627.28-6,938.04-2,161.04

Finding the Fourth Proportional to 4,627.28, 6,938.04 and 2,161.04

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Solution

The fourth proportional to 4,627.28, 6,938.04 and 2,161.04 is: 3,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.28 : 6,938.04 = 2,161.04 : x
  2. Step 2: Convert to fraction form
    4,627.28/6,938.04 = 2,161.04/x
  3. Step 3: Cross multiply
    4,627.28x = 6,938.04 × 2,161.04
  4. Step 4: Simplify right side
    4,627.28x = 14,993,381.96
  5. Step 5: Solve for x
    x = 14,993,381.96/4,627.28
  6. Step 6: Final answer
    x = 3,240.21

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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.