Home / 6,629.92-9,149.29-3,645.81

Finding the Fourth Proportional to 6,629.92, 9,149.29 and 3,645.81

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Solution

The fourth proportional to 6,629.92, 9,149.29 and 3,645.81 is: 5,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.92 : 9,149.29 = 3,645.81 : x
  2. Step 2: Convert to fraction form
    6,629.92/9,149.29 = 3,645.81/x
  3. Step 3: Cross multiply
    6,629.92x = 9,149.29 × 3,645.81
  4. Step 4: Simplify right side
    6,629.92x = 33,356,563.86
  5. Step 5: Solve for x
    x = 33,356,563.86/6,629.92
  6. Step 6: Final answer
    x = 5,031.22

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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.