Home / 7,135.25-10,700.03-2,749.91

Finding the Fourth Proportional to 7,135.25, 10,700.03 and 2,749.91

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Solution

The fourth proportional to 7,135.25, 10,700.03 and 2,749.91 is: 4,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.25 : 10,700.03 = 2,749.91 : x
  2. Step 2: Convert to fraction form
    7,135.25/10,700.03 = 2,749.91/x
  3. Step 3: Cross multiply
    7,135.25x = 10,700.03 × 2,749.91
  4. Step 4: Simplify right side
    7,135.25x = 29,424,072.87
  5. Step 5: Solve for x
    x = 29,424,072.87/7,135.25
  6. Step 6: Final answer
    x = 4,123.76

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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.