Home / 7,137.06-10,701.65-2,205.33

Finding the Fourth Proportional to 7,137.06, 10,701.65 and 2,205.33

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Solution

The fourth proportional to 7,137.06, 10,701.65 and 2,205.33 is: 3,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.06 : 10,701.65 = 2,205.33 : x
  2. Step 2: Convert to fraction form
    7,137.06/10,701.65 = 2,205.33/x
  3. Step 3: Cross multiply
    7,137.06x = 10,701.65 × 2,205.33
  4. Step 4: Simplify right side
    7,137.06x = 23,600,669.79
  5. Step 5: Solve for x
    x = 23,600,669.79/7,137.06
  6. Step 6: Final answer
    x = 3,306.78

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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.