Home / 5,274.60-7,276.66-3,177.52

Finding the Fourth Proportional to 5,274.60, 7,276.66 and 3,177.52

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Solution

The fourth proportional to 5,274.60, 7,276.66 and 3,177.52 is: 4,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.60 : 7,276.66 = 3,177.52 : x
  2. Step 2: Convert to fraction form
    5,274.60/7,276.66 = 3,177.52/x
  3. Step 3: Cross multiply
    5,274.60x = 7,276.66 × 3,177.52
  4. Step 4: Simplify right side
    5,274.60x = 23,121,732.68
  5. Step 5: Solve for x
    x = 23,121,732.68/5,274.60
  6. Step 6: Final answer
    x = 4,383.60

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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.