Home / 8,564.26-12,838.60-3,295.91

Finding the Fourth Proportional to 8,564.26, 12,838.60 and 3,295.91

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Solution

The fourth proportional to 8,564.26, 12,838.60 and 3,295.91 is: 4,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.26 : 12,838.60 = 3,295.91 : x
  2. Step 2: Convert to fraction form
    8,564.26/12,838.60 = 3,295.91/x
  3. Step 3: Cross multiply
    8,564.26x = 12,838.60 × 3,295.91
  4. Step 4: Simplify right side
    8,564.26x = 42,314,870.13
  5. Step 5: Solve for x
    x = 42,314,870.13/8,564.26
  6. Step 6: Final answer
    x = 4,940.87

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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.