Home / 4,890.26-7,331.52-1,769.78

Finding the Fourth Proportional to 4,890.26, 7,331.52 and 1,769.78

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Solution

The fourth proportional to 4,890.26, 7,331.52 and 1,769.78 is: 2,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.26 : 7,331.52 = 1,769.78 : x
  2. Step 2: Convert to fraction form
    4,890.26/7,331.52 = 1,769.78/x
  3. Step 3: Cross multiply
    4,890.26x = 7,331.52 × 1,769.78
  4. Step 4: Simplify right side
    4,890.26x = 12,975,177.47
  5. Step 5: Solve for x
    x = 12,975,177.47/4,890.26
  6. Step 6: Final answer
    x = 2,653.27

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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.