Home / 7,628.38-11,443.18-2,434.26

Finding the Fourth Proportional to 7,628.38, 11,443.18 and 2,434.26

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Solution

The fourth proportional to 7,628.38, 11,443.18 and 2,434.26 is: 3,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.38 : 11,443.18 = 2,434.26 : x
  2. Step 2: Convert to fraction form
    7,628.38/11,443.18 = 2,434.26/x
  3. Step 3: Cross multiply
    7,628.38x = 11,443.18 × 2,434.26
  4. Step 4: Simplify right side
    7,628.38x = 27,855,675.35
  5. Step 5: Solve for x
    x = 27,855,675.35/7,628.38
  6. Step 6: Final answer
    x = 3,651.58

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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.