Home / 6,428.89-9,642.73-2,268.73

Finding the Fourth Proportional to 6,428.89, 9,642.73 and 2,268.73

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Solution

The fourth proportional to 6,428.89, 9,642.73 and 2,268.73 is: 3,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.89 : 9,642.73 = 2,268.73 : x
  2. Step 2: Convert to fraction form
    6,428.89/9,642.73 = 2,268.73/x
  3. Step 3: Cross multiply
    6,428.89x = 9,642.73 × 2,268.73
  4. Step 4: Simplify right side
    6,428.89x = 21,876,750.83
  5. Step 5: Solve for x
    x = 21,876,750.83/6,428.89
  6. Step 6: Final answer
    x = 3,402.88

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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.