Home / 4,458.62-6,689.45-1,686.09

Finding the Fourth Proportional to 4,458.62, 6,689.45 and 1,686.09

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Solution

The fourth proportional to 4,458.62, 6,689.45 and 1,686.09 is: 2,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.62 : 6,689.45 = 1,686.09 : x
  2. Step 2: Convert to fraction form
    4,458.62/6,689.45 = 1,686.09/x
  3. Step 3: Cross multiply
    4,458.62x = 6,689.45 × 1,686.09
  4. Step 4: Simplify right side
    4,458.62x = 11,278,981.30
  5. Step 5: Solve for x
    x = 11,278,981.30/4,458.62
  6. Step 6: Final answer
    x = 2,529.71

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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.