Home / 7,162.20-9,906.30-6,334.20

Finding the Fourth Proportional to 7,162.20, 9,906.30 and 6,334.20

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Solution

The fourth proportional to 7,162.20, 9,906.30 and 6,334.20 is: 8,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.20 : 9,906.30 = 6,334.20 : x
  2. Step 2: Convert to fraction form
    7,162.20/9,906.30 = 6,334.20/x
  3. Step 3: Cross multiply
    7,162.20x = 9,906.30 × 6,334.20
  4. Step 4: Simplify right side
    7,162.20x = 62,748,485.46
  5. Step 5: Solve for x
    x = 62,748,485.46/7,162.20
  6. Step 6: Final answer
    x = 8,761.06

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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.