Home / 6,192.20-9,284.20-3,420.20

Finding the Fourth Proportional to 6,192.20, 9,284.20 and 3,420.20

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Solution

The fourth proportional to 6,192.20, 9,284.20 and 3,420.20 is: 5,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.20 : 9,284.20 = 3,420.20 : x
  2. Step 2: Convert to fraction form
    6,192.20/9,284.20 = 3,420.20/x
  3. Step 3: Cross multiply
    6,192.20x = 9,284.20 × 3,420.20
  4. Step 4: Simplify right side
    6,192.20x = 31,753,820.84
  5. Step 5: Solve for x
    x = 31,753,820.84/6,192.20
  6. Step 6: Final answer
    x = 5,128.04

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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.