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Finding the Fourth Proportional to 5,728.17, 8,593.47 and 1,779.35

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Solution

The fourth proportional to 5,728.17, 8,593.47 and 1,779.35 is: 2,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.17 : 8,593.47 = 1,779.35 : x
  2. Step 2: Convert to fraction form
    5,728.17/8,593.47 = 1,779.35/x
  3. Step 3: Cross multiply
    5,728.17x = 8,593.47 × 1,779.35
  4. Step 4: Simplify right side
    5,728.17x = 15,290,747.88
  5. Step 5: Solve for x
    x = 15,290,747.88/5,728.17
  6. Step 6: Final answer
    x = 2,669.39

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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.