Home / 4,058.40-6,091.20-2,760.78

Finding the Fourth Proportional to 4,058.40, 6,091.20 and 2,760.78

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Solution

The fourth proportional to 4,058.40, 6,091.20 and 2,760.78 is: 4,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,058.40 : 6,091.20 = 2,760.78 : x
  2. Step 2: Convert to fraction form
    4,058.40/6,091.20 = 2,760.78/x
  3. Step 3: Cross multiply
    4,058.40x = 6,091.20 × 2,760.78
  4. Step 4: Simplify right side
    4,058.40x = 16,816,463.14
  5. Step 5: Solve for x
    x = 16,816,463.14/4,058.40
  6. Step 6: Final answer
    x = 4,143.62

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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.