Home / 6,439.29-8,894.52-4,446.42

Finding the Fourth Proportional to 6,439.29, 8,894.52 and 4,446.42

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Solution

The fourth proportional to 6,439.29, 8,894.52 and 4,446.42 is: 6,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.29 : 8,894.52 = 4,446.42 : x
  2. Step 2: Convert to fraction form
    6,439.29/8,894.52 = 4,446.42/x
  3. Step 3: Cross multiply
    6,439.29x = 8,894.52 × 4,446.42
  4. Step 4: Simplify right side
    6,439.29x = 39,548,771.62
  5. Step 5: Solve for x
    x = 39,548,771.62/6,439.29
  6. Step 6: Final answer
    x = 6,141.79

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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.