Home / 4,628.38-6,380.52-3,299.78

Finding the Fourth Proportional to 4,628.38, 6,380.52 and 3,299.78

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Solution

The fourth proportional to 4,628.38, 6,380.52 and 3,299.78 is: 4,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.38 : 6,380.52 = 3,299.78 : x
  2. Step 2: Convert to fraction form
    4,628.38/6,380.52 = 3,299.78/x
  3. Step 3: Cross multiply
    4,628.38x = 6,380.52 × 3,299.78
  4. Step 4: Simplify right side
    4,628.38x = 21,054,312.29
  5. Step 5: Solve for x
    x = 21,054,312.29/4,628.38
  6. Step 6: Final answer
    x = 4,548.96

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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.