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Finding the Fourth Proportional to 5,703.89, 8,556.12 and 1,808.60

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Solution

The fourth proportional to 5,703.89, 8,556.12 and 1,808.60 is: 2,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.89 : 8,556.12 = 1,808.60 : x
  2. Step 2: Convert to fraction form
    5,703.89/8,556.12 = 1,808.60/x
  3. Step 3: Cross multiply
    5,703.89x = 8,556.12 × 1,808.60
  4. Step 4: Simplify right side
    5,703.89x = 15,474,555.85
  5. Step 5: Solve for x
    x = 15,474,555.85/5,703.89
  6. Step 6: Final answer
    x = 2,712.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.