Home / 4,950.66-7,429.62-3,988.38

Finding the Fourth Proportional to 4,950.66, 7,429.62 and 3,988.38

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Solution

The fourth proportional to 4,950.66, 7,429.62 and 3,988.38 is: 5,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.66 : 7,429.62 = 3,988.38 : x
  2. Step 2: Convert to fraction form
    4,950.66/7,429.62 = 3,988.38/x
  3. Step 3: Cross multiply
    4,950.66x = 7,429.62 × 3,988.38
  4. Step 4: Simplify right side
    4,950.66x = 29,632,147.82
  5. Step 5: Solve for x
    x = 29,632,147.82/4,950.66
  6. Step 6: Final answer
    x = 5,985.49

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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.