Home / 7,636.38-11,450.40-2,298.78

Finding the Fourth Proportional to 7,636.38, 11,450.40 and 2,298.78

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Solution

The fourth proportional to 7,636.38, 11,450.40 and 2,298.78 is: 3,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.38 : 11,450.40 = 2,298.78 : x
  2. Step 2: Convert to fraction form
    7,636.38/11,450.40 = 2,298.78/x
  3. Step 3: Cross multiply
    7,636.38x = 11,450.40 × 2,298.78
  4. Step 4: Simplify right side
    7,636.38x = 26,321,950.51
  5. Step 5: Solve for x
    x = 26,321,950.51/7,636.38
  6. Step 6: Final answer
    x = 3,446.91

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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.