Home / 8,190.18-12,292.26-3,263.28

Finding the Fourth Proportional to 8,190.18, 12,292.26 and 3,263.28

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Solution

The fourth proportional to 8,190.18, 12,292.26 and 3,263.28 is: 4,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.18 : 12,292.26 = 3,263.28 : x
  2. Step 2: Convert to fraction form
    8,190.18/12,292.26 = 3,263.28/x
  3. Step 3: Cross multiply
    8,190.18x = 12,292.26 × 3,263.28
  4. Step 4: Simplify right side
    8,190.18x = 40,113,086.21
  5. Step 5: Solve for x
    x = 40,113,086.21/8,190.18
  6. Step 6: Final answer
    x = 4,897.71

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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.