Home / 8,178.92-12,270.36-2,632.28

Finding the Fourth Proportional to 8,178.92, 12,270.36 and 2,632.28

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Solution

The fourth proportional to 8,178.92, 12,270.36 and 2,632.28 is: 3,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.92 : 12,270.36 = 2,632.28 : x
  2. Step 2: Convert to fraction form
    8,178.92/12,270.36 = 2,632.28/x
  3. Step 3: Cross multiply
    8,178.92x = 12,270.36 × 2,632.28
  4. Step 4: Simplify right side
    8,178.92x = 32,299,023.22
  5. Step 5: Solve for x
    x = 32,299,023.22/8,178.92
  6. Step 6: Final answer
    x = 3,949.06

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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.