Home / 6,428.61-9,643.03-2,268.54

Finding the Fourth Proportional to 6,428.61, 9,643.03 and 2,268.54

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Solution

The fourth proportional to 6,428.61, 9,643.03 and 2,268.54 is: 3,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.61 : 9,643.03 = 2,268.54 : x
  2. Step 2: Convert to fraction form
    6,428.61/9,643.03 = 2,268.54/x
  3. Step 3: Cross multiply
    6,428.61x = 9,643.03 × 2,268.54
  4. Step 4: Simplify right side
    6,428.61x = 21,875,593.60
  5. Step 5: Solve for x
    x = 21,875,593.60/6,428.61
  6. Step 6: Final answer
    x = 3,402.85

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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.