Home / 8,126.06-12,190.59-2,577.90

Finding the Fourth Proportional to 8,126.06, 12,190.59 and 2,577.90

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Solution

The fourth proportional to 8,126.06, 12,190.59 and 2,577.90 is: 3,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.06 : 12,190.59 = 2,577.90 : x
  2. Step 2: Convert to fraction form
    8,126.06/12,190.59 = 2,577.90/x
  3. Step 3: Cross multiply
    8,126.06x = 12,190.59 × 2,577.90
  4. Step 4: Simplify right side
    8,126.06x = 31,426,121.96
  5. Step 5: Solve for x
    x = 31,426,121.96/8,126.06
  6. Step 6: Final answer
    x = 3,867.33

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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.