Home / 7,137.57-10,707.38-2,207.59

Finding the Fourth Proportional to 7,137.57, 10,707.38 and 2,207.59

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Solution

The fourth proportional to 7,137.57, 10,707.38 and 2,207.59 is: 3,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.57 : 10,707.38 = 2,207.59 : x
  2. Step 2: Convert to fraction form
    7,137.57/10,707.38 = 2,207.59/x
  3. Step 3: Cross multiply
    7,137.57x = 10,707.38 × 2,207.59
  4. Step 4: Simplify right side
    7,137.57x = 23,637,493.98
  5. Step 5: Solve for x
    x = 23,637,493.98/7,137.57
  6. Step 6: Final answer
    x = 3,311.70

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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.