Home / 4,192.30-6,291.47-3,380.36

Finding the Fourth Proportional to 4,192.30, 6,291.47 and 3,380.36

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Solution

The fourth proportional to 4,192.30, 6,291.47 and 3,380.36 is: 5,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.30 : 6,291.47 = 3,380.36 : x
  2. Step 2: Convert to fraction form
    4,192.30/6,291.47 = 3,380.36/x
  3. Step 3: Cross multiply
    4,192.30x = 6,291.47 × 3,380.36
  4. Step 4: Simplify right side
    4,192.30x = 21,267,433.53
  5. Step 5: Solve for x
    x = 21,267,433.53/4,192.30
  6. Step 6: Final answer
    x = 5,072.98

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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.