Home / 4,127.06-6,189.78-1,660.62

Finding the Fourth Proportional to 4,127.06, 6,189.78 and 1,660.62

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Solution

The fourth proportional to 4,127.06, 6,189.78 and 1,660.62 is: 2,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.06 : 6,189.78 = 1,660.62 : x
  2. Step 2: Convert to fraction form
    4,127.06/6,189.78 = 1,660.62/x
  3. Step 3: Cross multiply
    4,127.06x = 6,189.78 × 1,660.62
  4. Step 4: Simplify right side
    4,127.06x = 10,278,872.46
  5. Step 5: Solve for x
    x = 10,278,872.46/4,127.06
  6. Step 6: Final answer
    x = 2,490.60

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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.