Home / 4,782.20-7,171.14-1,704.28

Finding the Fourth Proportional to 4,782.20, 7,171.14 and 1,704.28

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Solution

The fourth proportional to 4,782.20, 7,171.14 and 1,704.28 is: 2,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.20 : 7,171.14 = 1,704.28 : x
  2. Step 2: Convert to fraction form
    4,782.20/7,171.14 = 1,704.28/x
  3. Step 3: Cross multiply
    4,782.20x = 7,171.14 × 1,704.28
  4. Step 4: Simplify right side
    4,782.20x = 12,221,630.48
  5. Step 5: Solve for x
    x = 12,221,630.48/4,782.20
  6. Step 6: Final answer
    x = 2,555.65

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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.