Home / 4,154.10-6,198.60-4,129.80

Finding the Fourth Proportional to 4,154.10, 6,198.60 and 4,129.80

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Solution

The fourth proportional to 4,154.10, 6,198.60 and 4,129.80 is: 6,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.10 : 6,198.60 = 4,129.80 : x
  2. Step 2: Convert to fraction form
    4,154.10/6,198.60 = 4,129.80/x
  3. Step 3: Cross multiply
    4,154.10x = 6,198.60 × 4,129.80
  4. Step 4: Simplify right side
    4,154.10x = 25,598,978.28
  5. Step 5: Solve for x
    x = 25,598,978.28/4,154.10
  6. Step 6: Final answer
    x = 6,162.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.