Home / 6,664-9,196.96-4,179.52

Finding the Fourth Proportional to 6,664, 9,196.96 and 4,179.52

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Solution

The fourth proportional to 6,664, 9,196.96 and 4,179.52 is: 5,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664 : 9,196.96 = 4,179.52 : x
  2. Step 2: Convert to fraction form
    6,664/9,196.96 = 4,179.52/x
  3. Step 3: Cross multiply
    6,664x = 9,196.96 × 4,179.52
  4. Step 4: Simplify right side
    6,664x = 38,438,878.26
  5. Step 5: Solve for x
    x = 38,438,878.26/6,664
  6. Step 6: Final answer
    x = 5,768.14

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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.