Home / 10,318.77-15,484.31-3,745.47

Finding the Fourth Proportional to 10,318.77, 15,484.31 and 3,745.47

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Solution

The fourth proportional to 10,318.77, 15,484.31 and 3,745.47 is: 5,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.77 : 15,484.31 = 3,745.47 : x
  2. Step 2: Convert to fraction form
    10,318.77/15,484.31 = 3,745.47/x
  3. Step 3: Cross multiply
    10,318.77x = 15,484.31 × 3,745.47
  4. Step 4: Simplify right side
    10,318.77x = 57,995,999.85
  5. Step 5: Solve for x
    x = 57,995,999.85/10,318.77
  6. Step 6: Final answer
    x = 5,620.44

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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.