Home / 5,058.40-6,979.44-2,961.52

Finding the Fourth Proportional to 5,058.40, 6,979.44 and 2,961.52

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Solution

The fourth proportional to 5,058.40, 6,979.44 and 2,961.52 is: 4,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.40 : 6,979.44 = 2,961.52 : x
  2. Step 2: Convert to fraction form
    5,058.40/6,979.44 = 2,961.52/x
  3. Step 3: Cross multiply
    5,058.40x = 6,979.44 × 2,961.52
  4. Step 4: Simplify right side
    5,058.40x = 20,669,751.15
  5. Step 5: Solve for x
    x = 20,669,751.15/5,058.40
  6. Step 6: Final answer
    x = 4,086.22

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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.