Home / 4,751.83-7,122.27-2,555.95

Finding the Fourth Proportional to 4,751.83, 7,122.27 and 2,555.95

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Solution

The fourth proportional to 4,751.83, 7,122.27 and 2,555.95 is: 3,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.83 : 7,122.27 = 2,555.95 : x
  2. Step 2: Convert to fraction form
    4,751.83/7,122.27 = 2,555.95/x
  3. Step 3: Cross multiply
    4,751.83x = 7,122.27 × 2,555.95
  4. Step 4: Simplify right side
    4,751.83x = 18,204,148.20
  5. Step 5: Solve for x
    x = 18,204,148.20/4,751.83
  6. Step 6: Final answer
    x = 3,830.98

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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.