Home / 4,138.16-6,209.97-1,947.06

Finding the Fourth Proportional to 4,138.16, 6,209.97 and 1,947.06

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Solution

The fourth proportional to 4,138.16, 6,209.97 and 1,947.06 is: 2,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.16 : 6,209.97 = 1,947.06 : x
  2. Step 2: Convert to fraction form
    4,138.16/6,209.97 = 1,947.06/x
  3. Step 3: Cross multiply
    4,138.16x = 6,209.97 × 1,947.06
  4. Step 4: Simplify right side
    4,138.16x = 12,091,184.19
  5. Step 5: Solve for x
    x = 12,091,184.19/4,138.16
  6. Step 6: Final answer
    x = 2,921.88

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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.