Home / 7,936.22-11,903.19-5,557.08

Finding the Fourth Proportional to 7,936.22, 11,903.19 and 5,557.08

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Solution

The fourth proportional to 7,936.22, 11,903.19 and 5,557.08 is: 8,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.22 : 11,903.19 = 5,557.08 : x
  2. Step 2: Convert to fraction form
    7,936.22/11,903.19 = 5,557.08/x
  3. Step 3: Cross multiply
    7,936.22x = 11,903.19 × 5,557.08
  4. Step 4: Simplify right side
    7,936.22x = 66,147,002.88
  5. Step 5: Solve for x
    x = 66,147,002.88/7,936.22
  6. Step 6: Final answer
    x = 8,334.82

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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.