Home / 6,182.78-8,532.18-3,388.28

Finding the Fourth Proportional to 6,182.78, 8,532.18 and 3,388.28

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Solution

The fourth proportional to 6,182.78, 8,532.18 and 3,388.28 is: 4,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,182.78 : 8,532.18 = 3,388.28 : x
  2. Step 2: Convert to fraction form
    6,182.78/8,532.18 = 3,388.28/x
  3. Step 3: Cross multiply
    6,182.78x = 8,532.18 × 3,388.28
  4. Step 4: Simplify right side
    6,182.78x = 28,909,414.85
  5. Step 5: Solve for x
    x = 28,909,414.85/6,182.78
  6. Step 6: Final answer
    x = 4,675.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.