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Finding the Fourth Proportional to 5,789.48, 8,720.29 and 5,383.94

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Solution

The fourth proportional to 5,789.48, 8,720.29 and 5,383.94 is: 8,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.48 : 8,720.29 = 5,383.94 : x
  2. Step 2: Convert to fraction form
    5,789.48/8,720.29 = 5,383.94/x
  3. Step 3: Cross multiply
    5,789.48x = 8,720.29 × 5,383.94
  4. Step 4: Simplify right side
    5,789.48x = 46,949,491.22
  5. Step 5: Solve for x
    x = 46,949,491.22/5,789.48
  6. Step 6: Final answer
    x = 8,109.45

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.