Home / 9,091.08-12,546.90-6,739.92

Finding the Fourth Proportional to 9,091.08, 12,546.90 and 6,739.92

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Solution

The fourth proportional to 9,091.08, 12,546.90 and 6,739.92 is: 9,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.08 : 12,546.90 = 6,739.92 : x
  2. Step 2: Convert to fraction form
    9,091.08/12,546.90 = 6,739.92/x
  3. Step 3: Cross multiply
    9,091.08x = 12,546.90 × 6,739.92
  4. Step 4: Simplify right side
    9,091.08x = 84,565,102.25
  5. Step 5: Solve for x
    x = 84,565,102.25/9,091.08
  6. Step 6: Final answer
    x = 9,301.99

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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.