Home / 8,558.75-12,838.49-2,715.23

Finding the Fourth Proportional to 8,558.75, 12,838.49 and 2,715.23

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Solution

The fourth proportional to 8,558.75, 12,838.49 and 2,715.23 is: 4,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.75 : 12,838.49 = 2,715.23 : x
  2. Step 2: Convert to fraction form
    8,558.75/12,838.49 = 2,715.23/x
  3. Step 3: Cross multiply
    8,558.75x = 12,838.49 × 2,715.23
  4. Step 4: Simplify right side
    8,558.75x = 34,859,453.20
  5. Step 5: Solve for x
    x = 34,859,453.20/8,558.75
  6. Step 6: Final answer
    x = 4,072.96

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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.