Home / 6,118.92-9,174.60-4,165.20

Finding the Fourth Proportional to 6,118.92, 9,174.60 and 4,165.20

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Solution

The fourth proportional to 6,118.92, 9,174.60 and 4,165.20 is: 6,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.92 : 9,174.60 = 4,165.20 : x
  2. Step 2: Convert to fraction form
    6,118.92/9,174.60 = 4,165.20/x
  3. Step 3: Cross multiply
    6,118.92x = 9,174.60 × 4,165.20
  4. Step 4: Simplify right side
    6,118.92x = 38,214,043.92
  5. Step 5: Solve for x
    x = 38,214,043.92/6,118.92
  6. Step 6: Final answer
    x = 6,245.23

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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.