Home / 4,789.50-6,611.13-3,396.30

Finding the Fourth Proportional to 4,789.50, 6,611.13 and 3,396.30

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Solution

The fourth proportional to 4,789.50, 6,611.13 and 3,396.30 is: 4,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.50 : 6,611.13 = 3,396.30 : x
  2. Step 2: Convert to fraction form
    4,789.50/6,611.13 = 3,396.30/x
  3. Step 3: Cross multiply
    4,789.50x = 6,611.13 × 3,396.30
  4. Step 4: Simplify right side
    4,789.50x = 22,453,380.82
  5. Step 5: Solve for x
    x = 22,453,380.82/4,789.50
  6. Step 6: Final answer
    x = 4,688.04

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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.