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Finding the Fourth Proportional to 5,813.27, 8,719.90 and 4,783.10

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Solution

The fourth proportional to 5,813.27, 8,719.90 and 4,783.10 is: 7,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.27 : 8,719.90 = 4,783.10 : x
  2. Step 2: Convert to fraction form
    5,813.27/8,719.90 = 4,783.10/x
  3. Step 3: Cross multiply
    5,813.27x = 8,719.90 × 4,783.10
  4. Step 4: Simplify right side
    5,813.27x = 41,708,163.53
  5. Step 5: Solve for x
    x = 41,708,163.53/5,813.27
  6. Step 6: Final answer
    x = 7,174.65

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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.