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Finding the Fourth Proportional to 8,245.13, 12,363.07 and 3,562.22

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Solution

The fourth proportional to 8,245.13, 12,363.07 and 3,562.22 is: 5,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.13 : 12,363.07 = 3,562.22 : x
  2. Step 2: Convert to fraction form
    8,245.13/12,363.07 = 3,562.22/x
  3. Step 3: Cross multiply
    8,245.13x = 12,363.07 × 3,562.22
  4. Step 4: Simplify right side
    8,245.13x = 44,039,913.40
  5. Step 5: Solve for x
    x = 44,039,913.40/8,245.13
  6. Step 6: Final answer
    x = 5,341.32

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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.