Home / 4,769.10-7,149.39-2,427.80

Finding the Fourth Proportional to 4,769.10, 7,149.39 and 2,427.80

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Solution

The fourth proportional to 4,769.10, 7,149.39 and 2,427.80 is: 3,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.10 : 7,149.39 = 2,427.80 : x
  2. Step 2: Convert to fraction form
    4,769.10/7,149.39 = 2,427.80/x
  3. Step 3: Cross multiply
    4,769.10x = 7,149.39 × 2,427.80
  4. Step 4: Simplify right side
    4,769.10x = 17,357,253.30
  5. Step 5: Solve for x
    x = 17,357,253.30/4,769.10
  6. Step 6: Final answer
    x = 3,639.52

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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.