Home / 6,629.33-9,945.21-2,931.68

Finding the Fourth Proportional to 6,629.33, 9,945.21 and 2,931.68

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Solution

The fourth proportional to 6,629.33, 9,945.21 and 2,931.68 is: 4,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.33 : 9,945.21 = 2,931.68 : x
  2. Step 2: Convert to fraction form
    6,629.33/9,945.21 = 2,931.68/x
  3. Step 3: Cross multiply
    6,629.33x = 9,945.21 × 2,931.68
  4. Step 4: Simplify right side
    6,629.33x = 29,156,173.25
  5. Step 5: Solve for x
    x = 29,156,173.25/6,629.33
  6. Step 6: Final answer
    x = 4,398.06

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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.