Home / 6,624.36-9,142.44-3,829.86

Finding the Fourth Proportional to 6,624.36, 9,142.44 and 3,829.86

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Solution

The fourth proportional to 6,624.36, 9,142.44 and 3,829.86 is: 5,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.36 : 9,142.44 = 3,829.86 : x
  2. Step 2: Convert to fraction form
    6,624.36/9,142.44 = 3,829.86/x
  3. Step 3: Cross multiply
    6,624.36x = 9,142.44 × 3,829.86
  4. Step 4: Simplify right side
    6,624.36x = 35,014,265.26
  5. Step 5: Solve for x
    x = 35,014,265.26/6,624.36
  6. Step 6: Final answer
    x = 5,285.68

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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.