Home / 4,216.40-6,324.60-4,119.20

Finding the Fourth Proportional to 4,216.40, 6,324.60 and 4,119.20

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Solution

The fourth proportional to 4,216.40, 6,324.60 and 4,119.20 is: 6,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.40 : 6,324.60 = 4,119.20 : x
  2. Step 2: Convert to fraction form
    4,216.40/6,324.60 = 4,119.20/x
  3. Step 3: Cross multiply
    4,216.40x = 6,324.60 × 4,119.20
  4. Step 4: Simplify right side
    4,216.40x = 26,052,292.32
  5. Step 5: Solve for x
    x = 26,052,292.32/4,216.40
  6. Step 6: Final answer
    x = 6,178.80

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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.