Home / 4,778.79-6,596.96-3,188.09

Finding the Fourth Proportional to 4,778.79, 6,596.96 and 3,188.09

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Solution

The fourth proportional to 4,778.79, 6,596.96 and 3,188.09 is: 4,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.79 : 6,596.96 = 3,188.09 : x
  2. Step 2: Convert to fraction form
    4,778.79/6,596.96 = 3,188.09/x
  3. Step 3: Cross multiply
    4,778.79x = 6,596.96 × 3,188.09
  4. Step 4: Simplify right side
    4,778.79x = 21,031,653.28
  5. Step 5: Solve for x
    x = 21,031,653.28/4,778.79
  6. Step 6: Final answer
    x = 4,401.04

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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.