Home / 4,446.58-6,134.40-3,121.15

Finding the Fourth Proportional to 4,446.58, 6,134.40 and 3,121.15

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Solution

The fourth proportional to 4,446.58, 6,134.40 and 3,121.15 is: 4,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.58 : 6,134.40 = 3,121.15 : x
  2. Step 2: Convert to fraction form
    4,446.58/6,134.40 = 3,121.15/x
  3. Step 3: Cross multiply
    4,446.58x = 6,134.40 × 3,121.15
  4. Step 4: Simplify right side
    4,446.58x = 19,146,367.22
  5. Step 5: Solve for x
    x = 19,146,367.22/4,446.58
  6. Step 6: Final answer
    x = 4,305.87

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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.