Home / 4,277.56-6,422.70-2,629.36

Finding the Fourth Proportional to 4,277.56, 6,422.70 and 2,629.36

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Solution

The fourth proportional to 4,277.56, 6,422.70 and 2,629.36 is: 3,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.56 : 6,422.70 = 2,629.36 : x
  2. Step 2: Convert to fraction form
    4,277.56/6,422.70 = 2,629.36/x
  3. Step 3: Cross multiply
    4,277.56x = 6,422.70 × 2,629.36
  4. Step 4: Simplify right side
    4,277.56x = 16,887,590.47
  5. Step 5: Solve for x
    x = 16,887,590.47/4,277.56
  6. Step 6: Final answer
    x = 3,947.95

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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.