Home / 4,082.48-6,118.92-1,889.20

Finding the Fourth Proportional to 4,082.48, 6,118.92 and 1,889.20

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Solution

The fourth proportional to 4,082.48, 6,118.92 and 1,889.20 is: 2,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.48 : 6,118.92 = 1,889.20 : x
  2. Step 2: Convert to fraction form
    4,082.48/6,118.92 = 1,889.20/x
  3. Step 3: Cross multiply
    4,082.48x = 6,118.92 × 1,889.20
  4. Step 4: Simplify right side
    4,082.48x = 11,559,863.66
  5. Step 5: Solve for x
    x = 11,559,863.66/4,082.48
  6. Step 6: Final answer
    x = 2,831.58

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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.