Home / 4,771.80-7,140.24-3,386.52

Finding the Fourth Proportional to 4,771.80, 7,140.24 and 3,386.52

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Solution

The fourth proportional to 4,771.80, 7,140.24 and 3,386.52 is: 5,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.80 : 7,140.24 = 3,386.52 : x
  2. Step 2: Convert to fraction form
    4,771.80/7,140.24 = 3,386.52/x
  3. Step 3: Cross multiply
    4,771.80x = 7,140.24 × 3,386.52
  4. Step 4: Simplify right side
    4,771.80x = 24,180,565.56
  5. Step 5: Solve for x
    x = 24,180,565.56/4,771.80
  6. Step 6: Final answer
    x = 5,067.39

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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.