Home / 7,623.46-11,428.61-3,669.28

Finding the Fourth Proportional to 7,623.46, 11,428.61 and 3,669.28

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Solution

The fourth proportional to 7,623.46, 11,428.61 and 3,669.28 is: 5,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.46 : 11,428.61 = 3,669.28 : x
  2. Step 2: Convert to fraction form
    7,623.46/11,428.61 = 3,669.28/x
  3. Step 3: Cross multiply
    7,623.46x = 11,428.61 × 3,669.28
  4. Step 4: Simplify right side
    7,623.46x = 41,934,722.30
  5. Step 5: Solve for x
    x = 41,934,722.30/7,623.46
  6. Step 6: Final answer
    x = 5,500.75

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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.