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Finding the Fourth Proportional to 5,813.08, 8,713.12 and 2,299.84

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Solution

The fourth proportional to 5,813.08, 8,713.12 and 2,299.84 is: 3,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.08 : 8,713.12 = 2,299.84 : x
  2. Step 2: Convert to fraction form
    5,813.08/8,713.12 = 2,299.84/x
  3. Step 3: Cross multiply
    5,813.08x = 8,713.12 × 2,299.84
  4. Step 4: Simplify right side
    5,813.08x = 20,038,781.90
  5. Step 5: Solve for x
    x = 20,038,781.90/5,813.08
  6. Step 6: Final answer
    x = 3,447.19

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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.