Home / 7,854.19-11,761.69-5,503.17

Finding the Fourth Proportional to 7,854.19, 11,761.69 and 5,503.17

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Solution

The fourth proportional to 7,854.19, 11,761.69 and 5,503.17 is: 8,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.19 : 11,761.69 = 5,503.17 : x
  2. Step 2: Convert to fraction form
    7,854.19/11,761.69 = 5,503.17/x
  3. Step 3: Cross multiply
    7,854.19x = 11,761.69 × 5,503.17
  4. Step 4: Simplify right side
    7,854.19x = 64,726,579.56
  5. Step 5: Solve for x
    x = 64,726,579.56/7,854.19
  6. Step 6: Final answer
    x = 8,241.03

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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.