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Finding the Fourth Proportional to 6,544.59, 9,816.90 and 2,651.73

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Solution

The fourth proportional to 6,544.59, 9,816.90 and 2,651.73 is: 3,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.59 : 9,816.90 = 2,651.73 : x
  2. Step 2: Convert to fraction form
    6,544.59/9,816.90 = 2,651.73/x
  3. Step 3: Cross multiply
    6,544.59x = 9,816.90 × 2,651.73
  4. Step 4: Simplify right side
    6,544.59x = 26,031,768.24
  5. Step 5: Solve for x
    x = 26,031,768.24/6,544.59
  6. Step 6: Final answer
    x = 3,977.60

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Double scale
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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.