Home / 6,581.12-9,083.14-3,928.70

Finding the Fourth Proportional to 6,581.12, 9,083.14 and 3,928.70

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Solution

The fourth proportional to 6,581.12, 9,083.14 and 3,928.70 is: 5,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.12 : 9,083.14 = 3,928.70 : x
  2. Step 2: Convert to fraction form
    6,581.12/9,083.14 = 3,928.70/x
  3. Step 3: Cross multiply
    6,581.12x = 9,083.14 × 3,928.70
  4. Step 4: Simplify right side
    6,581.12x = 35,684,945.00
  5. Step 5: Solve for x
    x = 35,684,945.00/6,581.12
  6. Step 6: Final answer
    x = 5,422.33

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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.