Home / 6,890.65-10,329.82-2,505.02

Finding the Fourth Proportional to 6,890.65, 10,329.82 and 2,505.02

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Solution

The fourth proportional to 6,890.65, 10,329.82 and 2,505.02 is: 3,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.65 : 10,329.82 = 2,505.02 : x
  2. Step 2: Convert to fraction form
    6,890.65/10,329.82 = 2,505.02/x
  3. Step 3: Cross multiply
    6,890.65x = 10,329.82 × 2,505.02
  4. Step 4: Simplify right side
    6,890.65x = 25,876,347.78
  5. Step 5: Solve for x
    x = 25,876,347.78/6,890.65
  6. Step 6: Final answer
    x = 3,755.29

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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.