Home / 5,556.09-7,669.17-3,877.50

Finding the Fourth Proportional to 5,556.09, 7,669.17 and 3,877.50

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Solution

The fourth proportional to 5,556.09, 7,669.17 and 3,877.50 is: 5,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.09 : 7,669.17 = 3,877.50 : x
  2. Step 2: Convert to fraction form
    5,556.09/7,669.17 = 3,877.50/x
  3. Step 3: Cross multiply
    5,556.09x = 7,669.17 × 3,877.50
  4. Step 4: Simplify right side
    5,556.09x = 29,737,206.68
  5. Step 5: Solve for x
    x = 29,737,206.68/5,556.09
  6. Step 6: Final answer
    x = 5,352.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.