Home / 7,137.22-10,705.29-2,206.89

Finding the Fourth Proportional to 7,137.22, 10,705.29 and 2,206.89

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Solution

The fourth proportional to 7,137.22, 10,705.29 and 2,206.89 is: 3,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.22 : 10,705.29 = 2,206.89 : x
  2. Step 2: Convert to fraction form
    7,137.22/10,705.29 = 2,206.89/x
  3. Step 3: Cross multiply
    7,137.22x = 10,705.29 × 2,206.89
  4. Step 4: Simplify right side
    7,137.22x = 23,625,397.45
  5. Step 5: Solve for x
    x = 23,625,397.45/7,137.22
  6. Step 6: Final answer
    x = 3,310.17

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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.