Home / 6,931.85-10,399.73-2,001.92

Finding the Fourth Proportional to 6,931.85, 10,399.73 and 2,001.92

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Solution

The fourth proportional to 6,931.85, 10,399.73 and 2,001.92 is: 3,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.85 : 10,399.73 = 2,001.92 : x
  2. Step 2: Convert to fraction form
    6,931.85/10,399.73 = 2,001.92/x
  3. Step 3: Cross multiply
    6,931.85x = 10,399.73 × 2,001.92
  4. Step 4: Simplify right side
    6,931.85x = 20,819,365.47
  5. Step 5: Solve for x
    x = 20,819,365.47/6,931.85
  6. Step 6: Final answer
    x = 3,003.44

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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.