Home / 4,080.20-6,121.06-1,887.48

Finding the Fourth Proportional to 4,080.20, 6,121.06 and 1,887.48

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Solution

The fourth proportional to 4,080.20, 6,121.06 and 1,887.48 is: 2,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.20 : 6,121.06 = 1,887.48 : x
  2. Step 2: Convert to fraction form
    4,080.20/6,121.06 = 1,887.48/x
  3. Step 3: Cross multiply
    4,080.20x = 6,121.06 × 1,887.48
  4. Step 4: Simplify right side
    4,080.20x = 11,553,378.33
  5. Step 5: Solve for x
    x = 11,553,378.33/4,080.20
  6. Step 6: Final answer
    x = 2,831.57

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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.