Home / 5,477.56-7,550.20-3,708.52

Finding the Fourth Proportional to 5,477.56, 7,550.20 and 3,708.52

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Solution

The fourth proportional to 5,477.56, 7,550.20 and 3,708.52 is: 5,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.56 : 7,550.20 = 3,708.52 : x
  2. Step 2: Convert to fraction form
    5,477.56/7,550.20 = 3,708.52/x
  3. Step 3: Cross multiply
    5,477.56x = 7,550.20 × 3,708.52
  4. Step 4: Simplify right side
    5,477.56x = 28,000,067.70
  5. Step 5: Solve for x
    x = 28,000,067.70/5,477.56
  6. Step 6: Final answer
    x = 5,111.78

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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.