Home / 6,869.15-10,304.48-2,188.06

Finding the Fourth Proportional to 6,869.15, 10,304.48 and 2,188.06

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Solution

The fourth proportional to 6,869.15, 10,304.48 and 2,188.06 is: 3,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.15 : 10,304.48 = 2,188.06 : x
  2. Step 2: Convert to fraction form
    6,869.15/10,304.48 = 2,188.06/x
  3. Step 3: Cross multiply
    6,869.15x = 10,304.48 × 2,188.06
  4. Step 4: Simplify right side
    6,869.15x = 22,546,820.51
  5. Step 5: Solve for x
    x = 22,546,820.51/6,869.15
  6. Step 6: Final answer
    x = 3,282.33

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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.