Home / 7,620.46-11,432.43-3,238.06

Finding the Fourth Proportional to 7,620.46, 11,432.43 and 3,238.06

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Solution

The fourth proportional to 7,620.46, 11,432.43 and 3,238.06 is: 4,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.46 : 11,432.43 = 3,238.06 : x
  2. Step 2: Convert to fraction form
    7,620.46/11,432.43 = 3,238.06/x
  3. Step 3: Cross multiply
    7,620.46x = 11,432.43 × 3,238.06
  4. Step 4: Simplify right side
    7,620.46x = 37,018,894.29
  5. Step 5: Solve for x
    x = 37,018,894.29/7,620.46
  6. Step 6: Final answer
    x = 4,857.83

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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.