Home / 10,629.70-15,935.91-3,709.06

Finding the Fourth Proportional to 10,629.70, 15,935.91 and 3,709.06

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Solution

The fourth proportional to 10,629.70, 15,935.91 and 3,709.06 is: 5,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.70 : 15,935.91 = 3,709.06 : x
  2. Step 2: Convert to fraction form
    10,629.70/15,935.91 = 3,709.06/x
  3. Step 3: Cross multiply
    10,629.70x = 15,935.91 × 3,709.06
  4. Step 4: Simplify right side
    10,629.70x = 59,107,246.34
  5. Step 5: Solve for x
    x = 59,107,246.34/10,629.70
  6. Step 6: Final answer
    x = 5,560.58

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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.