Home / 6,629.80-9,145.38-3,834.92

Finding the Fourth Proportional to 6,629.80, 9,145.38 and 3,834.92

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Solution

The fourth proportional to 6,629.80, 9,145.38 and 3,834.92 is: 5,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.80 : 9,145.38 = 3,834.92 : x
  2. Step 2: Convert to fraction form
    6,629.80/9,145.38 = 3,834.92/x
  3. Step 3: Cross multiply
    6,629.80x = 9,145.38 × 3,834.92
  4. Step 4: Simplify right side
    6,629.80x = 35,071,800.67
  5. Step 5: Solve for x
    x = 35,071,800.67/6,629.80
  6. Step 6: Final answer
    x = 5,290.02

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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.