Home / 4,185.49-6,273.86-1,411.20

Finding the Fourth Proportional to 4,185.49, 6,273.86 and 1,411.20

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Solution

The fourth proportional to 4,185.49, 6,273.86 and 1,411.20 is: 2,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.49 : 6,273.86 = 1,411.20 : x
  2. Step 2: Convert to fraction form
    4,185.49/6,273.86 = 1,411.20/x
  3. Step 3: Cross multiply
    4,185.49x = 6,273.86 × 1,411.20
  4. Step 4: Simplify right side
    4,185.49x = 8,853,664.18
  5. Step 5: Solve for x
    x = 8,853,664.18/4,185.49
  6. Step 6: Final answer
    x = 2,115.32

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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.