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Finding the Fourth Proportional to 8,800.45, 13,207.30 and 6,821.24

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Solution

The fourth proportional to 8,800.45, 13,207.30 and 6,821.24 is: 10,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.45 : 13,207.30 = 6,821.24 : x
  2. Step 2: Convert to fraction form
    8,800.45/13,207.30 = 6,821.24/x
  3. Step 3: Cross multiply
    8,800.45x = 13,207.30 × 6,821.24
  4. Step 4: Simplify right side
    8,800.45x = 90,090,079.96
  5. Step 5: Solve for x
    x = 90,090,079.96/8,800.45
  6. Step 6: Final answer
    x = 10,236.99

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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.