Home / 6,683.90-10,020.51-3,172.14

Finding the Fourth Proportional to 6,683.90, 10,020.51 and 3,172.14

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Solution

The fourth proportional to 6,683.90, 10,020.51 and 3,172.14 is: 4,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.90 : 10,020.51 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    6,683.90/10,020.51 = 3,172.14/x
  3. Step 3: Cross multiply
    6,683.90x = 10,020.51 × 3,172.14
  4. Step 4: Simplify right side
    6,683.90x = 31,786,460.59
  5. Step 5: Solve for x
    x = 31,786,460.59/6,683.90
  6. Step 6: Final answer
    x = 4,755.68

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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.