Home / 7,705.13-11,553.06-3,748.58

Finding the Fourth Proportional to 7,705.13, 11,553.06 and 3,748.58

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Solution

The fourth proportional to 7,705.13, 11,553.06 and 3,748.58 is: 5,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.13 : 11,553.06 = 3,748.58 : x
  2. Step 2: Convert to fraction form
    7,705.13/11,553.06 = 3,748.58/x
  3. Step 3: Cross multiply
    7,705.13x = 11,553.06 × 3,748.58
  4. Step 4: Simplify right side
    7,705.13x = 43,307,569.65
  5. Step 5: Solve for x
    x = 43,307,569.65/7,705.13
  6. Step 6: Final answer
    x = 5,620.62

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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.