Home / 6,629.03-9,144.25-4,140.71

Finding the Fourth Proportional to 6,629.03, 9,144.25 and 4,140.71

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Solution

The fourth proportional to 6,629.03, 9,144.25 and 4,140.71 is: 5,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.03 : 9,144.25 = 4,140.71 : x
  2. Step 2: Convert to fraction form
    6,629.03/9,144.25 = 4,140.71/x
  3. Step 3: Cross multiply
    6,629.03x = 9,144.25 × 4,140.71
  4. Step 4: Simplify right side
    6,629.03x = 37,863,687.42
  5. Step 5: Solve for x
    x = 37,863,687.42/6,629.03
  6. Step 6: Final answer
    x = 5,711.80

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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.