Home / 6,988.77-9,644.69-3,845.04

Finding the Fourth Proportional to 6,988.77, 9,644.69 and 3,845.04

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Solution

The fourth proportional to 6,988.77, 9,644.69 and 3,845.04 is: 5,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.77 : 9,644.69 = 3,845.04 : x
  2. Step 2: Convert to fraction form
    6,988.77/9,644.69 = 3,845.04/x
  3. Step 3: Cross multiply
    6,988.77x = 9,644.69 × 3,845.04
  4. Step 4: Simplify right side
    6,988.77x = 37,084,218.84
  5. Step 5: Solve for x
    x = 37,084,218.84/6,988.77
  6. Step 6: Final answer
    x = 5,306.26

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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.