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Finding the Fourth Proportional to 6,546.27, 9,819.41 and 5,389.59

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Solution

The fourth proportional to 6,546.27, 9,819.41 and 5,389.59 is: 8,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,546.27 : 9,819.41 = 5,389.59 : x
  2. Step 2: Convert to fraction form
    6,546.27/9,819.41 = 5,389.59/x
  3. Step 3: Cross multiply
    6,546.27x = 9,819.41 × 5,389.59
  4. Step 4: Simplify right side
    6,546.27x = 52,922,566.99
  5. Step 5: Solve for x
    x = 52,922,566.99/6,546.27
  6. Step 6: Final answer
    x = 8,084.39

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Similar ratio
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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.