Home / 4,178.66-5,765.38-3,291.71

Finding the Fourth Proportional to 4,178.66, 5,765.38 and 3,291.71

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Solution

The fourth proportional to 4,178.66, 5,765.38 and 3,291.71 is: 4,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.66 : 5,765.38 = 3,291.71 : x
  2. Step 2: Convert to fraction form
    4,178.66/5,765.38 = 3,291.71/x
  3. Step 3: Cross multiply
    4,178.66x = 5,765.38 × 3,291.71
  4. Step 4: Simplify right side
    4,178.66x = 18,977,921.94
  5. Step 5: Solve for x
    x = 18,977,921.94/4,178.66
  6. Step 6: Final answer
    x = 4,541.63

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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.