Home / 8,394.74-12,589.83-4,440.62

Finding the Fourth Proportional to 8,394.74, 12,589.83 and 4,440.62

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Solution

The fourth proportional to 8,394.74, 12,589.83 and 4,440.62 is: 6,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.74 : 12,589.83 = 4,440.62 : x
  2. Step 2: Convert to fraction form
    8,394.74/12,589.83 = 4,440.62/x
  3. Step 3: Cross multiply
    8,394.74x = 12,589.83 × 4,440.62
  4. Step 4: Simplify right side
    8,394.74x = 55,906,682.37
  5. Step 5: Solve for x
    x = 55,906,682.37/8,394.74
  6. Step 6: Final answer
    x = 6,659.73

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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.