Home / 7,450.65-11,168.19-2,518.61

Finding the Fourth Proportional to 7,450.65, 11,168.19 and 2,518.61

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Solution

The fourth proportional to 7,450.65, 11,168.19 and 2,518.61 is: 3,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.65 : 11,168.19 = 2,518.61 : x
  2. Step 2: Convert to fraction form
    7,450.65/11,168.19 = 2,518.61/x
  3. Step 3: Cross multiply
    7,450.65x = 11,168.19 × 2,518.61
  4. Step 4: Simplify right side
    7,450.65x = 28,128,259.17
  5. Step 5: Solve for x
    x = 28,128,259.17/7,450.65
  6. Step 6: Final answer
    x = 3,775.28

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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.