Home / 6,629.90-9,930.45-4,028.30

Finding the Fourth Proportional to 6,629.90, 9,930.45 and 4,028.30

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Solution

The fourth proportional to 6,629.90, 9,930.45 and 4,028.30 is: 6,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.90 : 9,930.45 = 4,028.30 : x
  2. Step 2: Convert to fraction form
    6,629.90/9,930.45 = 4,028.30/x
  3. Step 3: Cross multiply
    6,629.90x = 9,930.45 × 4,028.30
  4. Step 4: Simplify right side
    6,629.90x = 40,002,831.74
  5. Step 5: Solve for x
    x = 40,002,831.74/6,629.90
  6. Step 6: Final answer
    x = 6,033.70

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1.5x scale

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.