Home / 4,101.20-6,142.20-2,795.60

Finding the Fourth Proportional to 4,101.20, 6,142.20 and 2,795.60

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Solution

The fourth proportional to 4,101.20, 6,142.20 and 2,795.60 is: 4,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.20 : 6,142.20 = 2,795.60 : x
  2. Step 2: Convert to fraction form
    4,101.20/6,142.20 = 2,795.60/x
  3. Step 3: Cross multiply
    4,101.20x = 6,142.20 × 2,795.60
  4. Step 4: Simplify right side
    4,101.20x = 17,171,134.32
  5. Step 5: Solve for x
    x = 17,171,134.32/4,101.20
  6. Step 6: Final answer
    x = 4,186.86

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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.