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Finding the Fourth Proportional to 5,779.66, 8,671.78 and 3,004.60

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Solution

The fourth proportional to 5,779.66, 8,671.78 and 3,004.60 is: 4,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.66 : 8,671.78 = 3,004.60 : x
  2. Step 2: Convert to fraction form
    5,779.66/8,671.78 = 3,004.60/x
  3. Step 3: Cross multiply
    5,779.66x = 8,671.78 × 3,004.60
  4. Step 4: Simplify right side
    5,779.66x = 26,055,230.19
  5. Step 5: Solve for x
    x = 26,055,230.19/5,779.66
  6. Step 6: Final answer
    x = 4,508.09

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Why These Related Problems?

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