Home / 4,458.91-6,698.62-3,145.69

Finding the Fourth Proportional to 4,458.91, 6,698.62 and 3,145.69

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Solution

The fourth proportional to 4,458.91, 6,698.62 and 3,145.69 is: 4,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.91 : 6,698.62 = 3,145.69 : x
  2. Step 2: Convert to fraction form
    4,458.91/6,698.62 = 3,145.69/x
  3. Step 3: Cross multiply
    4,458.91x = 6,698.62 × 3,145.69
  4. Step 4: Simplify right side
    4,458.91x = 21,071,781.95
  5. Step 5: Solve for x
    x = 21,071,781.95/4,458.91
  6. Step 6: Final answer
    x = 4,725.77

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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.