Home / 7,655.22-11,482.92-2,108.61

Finding the Fourth Proportional to 7,655.22, 11,482.92 and 2,108.61

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Solution

The fourth proportional to 7,655.22, 11,482.92 and 2,108.61 is: 3,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.22 : 11,482.92 = 2,108.61 : x
  2. Step 2: Convert to fraction form
    7,655.22/11,482.92 = 2,108.61/x
  3. Step 3: Cross multiply
    7,655.22x = 11,482.92 × 2,108.61
  4. Step 4: Simplify right side
    7,655.22x = 24,212,999.94
  5. Step 5: Solve for x
    x = 24,212,999.94/7,655.22
  6. Step 6: Final answer
    x = 3,162.94

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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.