Home / 4,471.31-6,168.29-3,145.75

Finding the Fourth Proportional to 4,471.31, 6,168.29 and 3,145.75

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Solution

The fourth proportional to 4,471.31, 6,168.29 and 3,145.75 is: 4,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.31 : 6,168.29 = 3,145.75 : x
  2. Step 2: Convert to fraction form
    4,471.31/6,168.29 = 3,145.75/x
  3. Step 3: Cross multiply
    4,471.31x = 6,168.29 × 3,145.75
  4. Step 4: Simplify right side
    4,471.31x = 19,403,867.12
  5. Step 5: Solve for x
    x = 19,403,867.12/4,471.31
  6. Step 6: Final answer
    x = 4,339.64

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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.