Home / 5,072.67-6,989.14-3,791.18

Finding the Fourth Proportional to 5,072.67, 6,989.14 and 3,791.18

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Solution

The fourth proportional to 5,072.67, 6,989.14 and 3,791.18 is: 5,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.67 : 6,989.14 = 3,791.18 : x
  2. Step 2: Convert to fraction form
    5,072.67/6,989.14 = 3,791.18/x
  3. Step 3: Cross multiply
    5,072.67x = 6,989.14 × 3,791.18
  4. Step 4: Simplify right side
    5,072.67x = 26,497,095.78
  5. Step 5: Solve for x
    x = 26,497,095.78/5,072.67
  6. Step 6: Final answer
    x = 5,223.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.