Home / 4,112.49-6,168.15-1,339.20

Finding the Fourth Proportional to 4,112.49, 6,168.15 and 1,339.20

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Solution

The fourth proportional to 4,112.49, 6,168.15 and 1,339.20 is: 2,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.49 : 6,168.15 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    4,112.49/6,168.15 = 1,339.20/x
  3. Step 3: Cross multiply
    4,112.49x = 6,168.15 × 1,339.20
  4. Step 4: Simplify right side
    4,112.49x = 8,260,386.48
  5. Step 5: Solve for x
    x = 8,260,386.48/4,112.49
  6. Step 6: Final answer
    x = 2,008.61

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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.