Home / 6,171.64-9,261.08-2,278.76

Finding the Fourth Proportional to 6,171.64, 9,261.08 and 2,278.76

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Solution

The fourth proportional to 6,171.64, 9,261.08 and 2,278.76 is: 3,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.64 : 9,261.08 = 2,278.76 : x
  2. Step 2: Convert to fraction form
    6,171.64/9,261.08 = 2,278.76/x
  3. Step 3: Cross multiply
    6,171.64x = 9,261.08 × 2,278.76
  4. Step 4: Simplify right side
    6,171.64x = 21,103,778.66
  5. Step 5: Solve for x
    x = 21,103,778.66/6,171.64
  6. Step 6: Final answer
    x = 3,419.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.