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Finding the Fourth Proportional to 5,808.15, 8,015.27 and 3,155.56

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Solution

The fourth proportional to 5,808.15, 8,015.27 and 3,155.56 is: 4,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.15 : 8,015.27 = 3,155.56 : x
  2. Step 2: Convert to fraction form
    5,808.15/8,015.27 = 3,155.56/x
  3. Step 3: Cross multiply
    5,808.15x = 8,015.27 × 3,155.56
  4. Step 4: Simplify right side
    5,808.15x = 25,292,656.69
  5. Step 5: Solve for x
    x = 25,292,656.69/5,808.15
  6. Step 6: Final answer
    x = 4,354.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.