Home / 4,911.79-7,371.25-3,682.51

Finding the Fourth Proportional to 4,911.79, 7,371.25 and 3,682.51

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Solution

The fourth proportional to 4,911.79, 7,371.25 and 3,682.51 is: 5,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.79 : 7,371.25 = 3,682.51 : x
  2. Step 2: Convert to fraction form
    4,911.79/7,371.25 = 3,682.51/x
  3. Step 3: Cross multiply
    4,911.79x = 7,371.25 × 3,682.51
  4. Step 4: Simplify right side
    4,911.79x = 27,144,736.38
  5. Step 5: Solve for x
    x = 27,144,736.38/4,911.79
  6. Step 6: Final answer
    x = 5,526.45

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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.