Home / 6,441.35-8,889.82-3,924.95

Finding the Fourth Proportional to 6,441.35, 8,889.82 and 3,924.95

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Solution

The fourth proportional to 6,441.35, 8,889.82 and 3,924.95 is: 5,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.35 : 8,889.82 = 3,924.95 : x
  2. Step 2: Convert to fraction form
    6,441.35/8,889.82 = 3,924.95/x
  3. Step 3: Cross multiply
    6,441.35x = 8,889.82 × 3,924.95
  4. Step 4: Simplify right side
    6,441.35x = 34,892,044.75
  5. Step 5: Solve for x
    x = 34,892,044.75/6,441.35
  6. Step 6: Final answer
    x = 5,416.89

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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.