Home / 8,147.28-11,241.77-4,790.24

Finding the Fourth Proportional to 8,147.28, 11,241.77 and 4,790.24

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Solution

The fourth proportional to 8,147.28, 11,241.77 and 4,790.24 is: 6,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.28 : 11,241.77 = 4,790.24 : x
  2. Step 2: Convert to fraction form
    8,147.28/11,241.77 = 4,790.24/x
  3. Step 3: Cross multiply
    8,147.28x = 11,241.77 × 4,790.24
  4. Step 4: Simplify right side
    8,147.28x = 53,850,696.16
  5. Step 5: Solve for x
    x = 53,850,696.16/8,147.28
  6. Step 6: Final answer
    x = 6,609.65

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1.5x scale

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.