Home / 8,456.33-11,669.68-4,869.97

Finding the Fourth Proportional to 8,456.33, 11,669.68 and 4,869.97

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Solution

The fourth proportional to 8,456.33, 11,669.68 and 4,869.97 is: 6,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.33 : 11,669.68 = 4,869.97 : x
  2. Step 2: Convert to fraction form
    8,456.33/11,669.68 = 4,869.97/x
  3. Step 3: Cross multiply
    8,456.33x = 11,669.68 × 4,869.97
  4. Step 4: Simplify right side
    8,456.33x = 56,830,991.51
  5. Step 5: Solve for x
    x = 56,830,991.51/8,456.33
  6. Step 6: Final answer
    x = 6,720.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.