Home / 4,269.38-6,405.01-1,806.30

Finding the Fourth Proportional to 4,269.38, 6,405.01 and 1,806.30

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Solution

The fourth proportional to 4,269.38, 6,405.01 and 1,806.30 is: 2,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.38 : 6,405.01 = 1,806.30 : x
  2. Step 2: Convert to fraction form
    4,269.38/6,405.01 = 1,806.30/x
  3. Step 3: Cross multiply
    4,269.38x = 6,405.01 × 1,806.30
  4. Step 4: Simplify right side
    4,269.38x = 11,569,365.05
  5. Step 5: Solve for x
    x = 11,569,365.05/4,269.38
  6. Step 6: Final answer
    x = 2,709.85

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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.