Home / 4,126.50-6,189.03-1,660.68

Finding the Fourth Proportional to 4,126.50, 6,189.03 and 1,660.68

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Solution

The fourth proportional to 4,126.50, 6,189.03 and 1,660.68 is: 2,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.50 : 6,189.03 = 1,660.68 : x
  2. Step 2: Convert to fraction form
    4,126.50/6,189.03 = 1,660.68/x
  3. Step 3: Cross multiply
    4,126.50x = 6,189.03 × 1,660.68
  4. Step 4: Simplify right side
    4,126.50x = 10,277,998.34
  5. Step 5: Solve for x
    x = 10,277,998.34/4,126.50
  6. Step 6: Final answer
    x = 2,490.73

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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.