Home / 6,639.19-9,162.99-3,844.69

Finding the Fourth Proportional to 6,639.19, 9,162.99 and 3,844.69

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Solution

The fourth proportional to 6,639.19, 9,162.99 and 3,844.69 is: 5,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.19 : 9,162.99 = 3,844.69 : x
  2. Step 2: Convert to fraction form
    6,639.19/9,162.99 = 3,844.69/x
  3. Step 3: Cross multiply
    6,639.19x = 9,162.99 × 3,844.69
  4. Step 4: Simplify right side
    6,639.19x = 35,228,833.12
  5. Step 5: Solve for x
    x = 35,228,833.12/6,639.19
  6. Step 6: Final answer
    x = 5,306.20

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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.