Home / 6,447.06-9,667.86-2,288.12

Finding the Fourth Proportional to 6,447.06, 9,667.86 and 2,288.12

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Solution

The fourth proportional to 6,447.06, 9,667.86 and 2,288.12 is: 3,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.06 : 9,667.86 = 2,288.12 : x
  2. Step 2: Convert to fraction form
    6,447.06/9,667.86 = 2,288.12/x
  3. Step 3: Cross multiply
    6,447.06x = 9,667.86 × 2,288.12
  4. Step 4: Simplify right side
    6,447.06x = 22,121,166.90
  5. Step 5: Solve for x
    x = 22,121,166.90/6,447.06
  6. Step 6: Final answer
    x = 3,431.20

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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.