Home / 5,492.50-8,239.79-2,205.85

Finding the Fourth Proportional to 5,492.50, 8,239.79 and 2,205.85

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Solution

The fourth proportional to 5,492.50, 8,239.79 and 2,205.85 is: 3,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.50 : 8,239.79 = 2,205.85 : x
  2. Step 2: Convert to fraction form
    5,492.50/8,239.79 = 2,205.85/x
  3. Step 3: Cross multiply
    5,492.50x = 8,239.79 × 2,205.85
  4. Step 4: Simplify right side
    5,492.50x = 18,175,740.77
  5. Step 5: Solve for x
    x = 18,175,740.77/5,492.50
  6. Step 6: Final answer
    x = 3,309.19

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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.