Home / 6,972.68-10,449.72-3,801.98

Finding the Fourth Proportional to 6,972.68, 10,449.72 and 3,801.98

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Solution

The fourth proportional to 6,972.68, 10,449.72 and 3,801.98 is: 5,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.68 : 10,449.72 = 3,801.98 : x
  2. Step 2: Convert to fraction form
    6,972.68/10,449.72 = 3,801.98/x
  3. Step 3: Cross multiply
    6,972.68x = 10,449.72 × 3,801.98
  4. Step 4: Simplify right side
    6,972.68x = 39,729,652.57
  5. Step 5: Solve for x
    x = 39,729,652.57/6,972.68
  6. Step 6: Final answer
    x = 5,697.90

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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.