Home / 4,428.38-6,646.68-2,238.65

Finding the Fourth Proportional to 4,428.38, 6,646.68 and 2,238.65

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Solution

The fourth proportional to 4,428.38, 6,646.68 and 2,238.65 is: 3,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.38 : 6,646.68 = 2,238.65 : x
  2. Step 2: Convert to fraction form
    4,428.38/6,646.68 = 2,238.65/x
  3. Step 3: Cross multiply
    4,428.38x = 6,646.68 × 2,238.65
  4. Step 4: Simplify right side
    4,428.38x = 14,879,578.99
  5. Step 5: Solve for x
    x = 14,879,578.99/4,428.38
  6. Step 6: Final answer
    x = 3,360.05

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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.