Home / 5,058.36-6,981.42-3,861.38

Finding the Fourth Proportional to 5,058.36, 6,981.42 and 3,861.38

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Solution

The fourth proportional to 5,058.36, 6,981.42 and 3,861.38 is: 5,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.36 : 6,981.42 = 3,861.38 : x
  2. Step 2: Convert to fraction form
    5,058.36/6,981.42 = 3,861.38/x
  3. Step 3: Cross multiply
    5,058.36x = 6,981.42 × 3,861.38
  4. Step 4: Simplify right side
    5,058.36x = 26,957,947.49
  5. Step 5: Solve for x
    x = 26,957,947.49/5,058.36
  6. Step 6: Final answer
    x = 5,329.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.