Home / 6,664-9,196.32-3,869.50

Finding the Fourth Proportional to 6,664, 9,196.32 and 3,869.50

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Solution

The fourth proportional to 6,664, 9,196.32 and 3,869.50 is: 5,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664 : 9,196.32 = 3,869.50 : x
  2. Step 2: Convert to fraction form
    6,664/9,196.32 = 3,869.50/x
  3. Step 3: Cross multiply
    6,664x = 9,196.32 × 3,869.50
  4. Step 4: Simplify right side
    6,664x = 35,585,160.24
  5. Step 5: Solve for x
    x = 35,585,160.24/6,664
  6. Step 6: Final answer
    x = 5,339.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.