Home / 6,791.20-10,188.40-2,174.24

Finding the Fourth Proportional to 6,791.20, 10,188.40 and 2,174.24

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Solution

The fourth proportional to 6,791.20, 10,188.40 and 2,174.24 is: 3,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.20 : 10,188.40 = 2,174.24 : x
  2. Step 2: Convert to fraction form
    6,791.20/10,188.40 = 2,174.24/x
  3. Step 3: Cross multiply
    6,791.20x = 10,188.40 × 2,174.24
  4. Step 4: Simplify right side
    6,791.20x = 22,152,026.82
  5. Step 5: Solve for x
    x = 22,152,026.82/6,791.20
  6. Step 6: Final answer
    x = 3,261.87

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1.5x scale

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.