Home / 5,418.44-7,477.80-3,060.64

Finding the Fourth Proportional to 5,418.44, 7,477.80 and 3,060.64

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Solution

The fourth proportional to 5,418.44, 7,477.80 and 3,060.64 is: 4,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.44 : 7,477.80 = 3,060.64 : x
  2. Step 2: Convert to fraction form
    5,418.44/7,477.80 = 3,060.64/x
  3. Step 3: Cross multiply
    5,418.44x = 7,477.80 × 3,060.64
  4. Step 4: Simplify right side
    5,418.44x = 22,886,853.79
  5. Step 5: Solve for x
    x = 22,886,853.79/5,418.44
  6. Step 6: Final answer
    x = 4,223.88

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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.