Home / 4,721.11-7,083.89-2,256.68

Finding the Fourth Proportional to 4,721.11, 7,083.89 and 2,256.68

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Solution

The fourth proportional to 4,721.11, 7,083.89 and 2,256.68 is: 3,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.11 : 7,083.89 = 2,256.68 : x
  2. Step 2: Convert to fraction form
    4,721.11/7,083.89 = 2,256.68/x
  3. Step 3: Cross multiply
    4,721.11x = 7,083.89 × 2,256.68
  4. Step 4: Simplify right side
    4,721.11x = 15,986,072.89
  5. Step 5: Solve for x
    x = 15,986,072.89/4,721.11
  6. Step 6: Final answer
    x = 3,386.08

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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.