Home / 4,913.67-7,365.78-3,153.75

Finding the Fourth Proportional to 4,913.67, 7,365.78 and 3,153.75

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Solution

The fourth proportional to 4,913.67, 7,365.78 and 3,153.75 is: 4,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.67 : 7,365.78 = 3,153.75 : x
  2. Step 2: Convert to fraction form
    4,913.67/7,365.78 = 3,153.75/x
  3. Step 3: Cross multiply
    4,913.67x = 7,365.78 × 3,153.75
  4. Step 4: Simplify right side
    4,913.67x = 23,229,828.68
  5. Step 5: Solve for x
    x = 23,229,828.68/4,913.67
  6. Step 6: Final answer
    x = 4,727.59

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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.