Home / 4,768.50-7,154.43-2,135.79

Finding the Fourth Proportional to 4,768.50, 7,154.43 and 2,135.79

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Solution

The fourth proportional to 4,768.50, 7,154.43 and 2,135.79 is: 3,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.50 : 7,154.43 = 2,135.79 : x
  2. Step 2: Convert to fraction form
    4,768.50/7,154.43 = 2,135.79/x
  3. Step 3: Cross multiply
    4,768.50x = 7,154.43 × 2,135.79
  4. Step 4: Simplify right side
    4,768.50x = 15,280,360.05
  5. Step 5: Solve for x
    x = 15,280,360.05/4,768.50
  6. Step 6: Final answer
    x = 3,204.44

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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.