Home / 5,376.42-8,066.97-2,912.99

Finding the Fourth Proportional to 5,376.42, 8,066.97 and 2,912.99

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Solution

The fourth proportional to 5,376.42, 8,066.97 and 2,912.99 is: 4,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.42 : 8,066.97 = 2,912.99 : x
  2. Step 2: Convert to fraction form
    5,376.42/8,066.97 = 2,912.99/x
  3. Step 3: Cross multiply
    5,376.42x = 8,066.97 × 2,912.99
  4. Step 4: Simplify right side
    5,376.42x = 23,498,962.61
  5. Step 5: Solve for x
    x = 23,498,962.61/5,376.42
  6. Step 6: Final answer
    x = 4,370.75

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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.