Home / 7,829.52-11,741.36-3,147.95

Finding the Fourth Proportional to 7,829.52, 11,741.36 and 3,147.95

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Solution

The fourth proportional to 7,829.52, 11,741.36 and 3,147.95 is: 4,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.52 : 11,741.36 = 3,147.95 : x
  2. Step 2: Convert to fraction form
    7,829.52/11,741.36 = 3,147.95/x
  3. Step 3: Cross multiply
    7,829.52x = 11,741.36 × 3,147.95
  4. Step 4: Simplify right side
    7,829.52x = 36,961,214.21
  5. Step 5: Solve for x
    x = 36,961,214.21/7,829.52
  6. Step 6: Final answer
    x = 4,720.75

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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.