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Finding the Fourth Proportional to 5,712, 8,569.44 and 1,608

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Solution

The fourth proportional to 5,712, 8,569.44 and 1,608 is: 2,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712 : 8,569.44 = 1,608 : x
  2. Step 2: Convert to fraction form
    5,712/8,569.44 = 1,608/x
  3. Step 3: Cross multiply
    5,712x = 8,569.44 × 1,608
  4. Step 4: Simplify right side
    5,712x = 13,779,659.52
  5. Step 5: Solve for x
    x = 13,779,659.52/5,712
  6. Step 6: Final answer
    x = 2,412.41

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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.