Home / 5,164.88-7,127.68-3,176.60

Finding the Fourth Proportional to 5,164.88, 7,127.68 and 3,176.60

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Solution

The fourth proportional to 5,164.88, 7,127.68 and 3,176.60 is: 4,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.88 : 7,127.68 = 3,176.60 : x
  2. Step 2: Convert to fraction form
    5,164.88/7,127.68 = 3,176.60/x
  3. Step 3: Cross multiply
    5,164.88x = 7,127.68 × 3,176.60
  4. Step 4: Simplify right side
    5,164.88x = 22,641,788.29
  5. Step 5: Solve for x
    x = 22,641,788.29/5,164.88
  6. Step 6: Final answer
    x = 4,383.80

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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.