Home / 5,628.06-8,435.73-3,431.97

Finding the Fourth Proportional to 5,628.06, 8,435.73 and 3,431.97

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Solution

The fourth proportional to 5,628.06, 8,435.73 and 3,431.97 is: 5,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.06 : 8,435.73 = 3,431.97 : x
  2. Step 2: Convert to fraction form
    5,628.06/8,435.73 = 3,431.97/x
  3. Step 3: Cross multiply
    5,628.06x = 8,435.73 × 3,431.97
  4. Step 4: Simplify right side
    5,628.06x = 28,951,172.29
  5. Step 5: Solve for x
    x = 28,951,172.29/5,628.06
  6. Step 6: Final answer
    x = 5,144.08

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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.