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Finding the Fourth Proportional to 6,805.80, 10,205.10 and 2,423.40

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Solution

The fourth proportional to 6,805.80, 10,205.10 and 2,423.40 is: 3,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.80 : 10,205.10 = 2,423.40 : x
  2. Step 2: Convert to fraction form
    6,805.80/10,205.10 = 2,423.40/x
  3. Step 3: Cross multiply
    6,805.80x = 10,205.10 × 2,423.40
  4. Step 4: Simplify right side
    6,805.80x = 24,731,039.34
  5. Step 5: Solve for x
    x = 24,731,039.34/6,805.80
  6. Step 6: Final answer
    x = 3,633.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.