Home / 7,868.29-11,796.65-3,705.95

Finding the Fourth Proportional to 7,868.29, 11,796.65 and 3,705.95

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Solution

The fourth proportional to 7,868.29, 11,796.65 and 3,705.95 is: 5,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.29 : 11,796.65 = 3,705.95 : x
  2. Step 2: Convert to fraction form
    7,868.29/11,796.65 = 3,705.95/x
  3. Step 3: Cross multiply
    7,868.29x = 11,796.65 × 3,705.95
  4. Step 4: Simplify right side
    7,868.29x = 43,717,840.77
  5. Step 5: Solve for x
    x = 43,717,840.77/7,868.29
  6. Step 6: Final answer
    x = 5,556.21

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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.