Home / 4,789.59-7,176.29-2,936.85

Finding the Fourth Proportional to 4,789.59, 7,176.29 and 2,936.85

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Solution

The fourth proportional to 4,789.59, 7,176.29 and 2,936.85 is: 4,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.59 : 7,176.29 = 2,936.85 : x
  2. Step 2: Convert to fraction form
    4,789.59/7,176.29 = 2,936.85/x
  3. Step 3: Cross multiply
    4,789.59x = 7,176.29 × 2,936.85
  4. Step 4: Simplify right side
    4,789.59x = 21,075,672.60
  5. Step 5: Solve for x
    x = 21,075,672.60/4,789.59
  6. Step 6: Final answer
    x = 4,400.31

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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.