Home / 4,304.90-6,449.11-2,911.39

Finding the Fourth Proportional to 4,304.90, 6,449.11 and 2,911.39

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Solution

The fourth proportional to 4,304.90, 6,449.11 and 2,911.39 is: 4,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.90 : 6,449.11 = 2,911.39 : x
  2. Step 2: Convert to fraction form
    4,304.90/6,449.11 = 2,911.39/x
  3. Step 3: Cross multiply
    4,304.90x = 6,449.11 × 2,911.39
  4. Step 4: Simplify right side
    4,304.90x = 18,775,834.84
  5. Step 5: Solve for x
    x = 18,775,834.84/4,304.90
  6. Step 6: Final answer
    x = 4,361.51

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1.5x scale

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.