Home / 5,745.78-8,617.08-1,584.81

Finding the Fourth Proportional to 5,745.78, 8,617.08 and 1,584.81

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Solution

The fourth proportional to 5,745.78, 8,617.08 and 1,584.81 is: 2,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.78 : 8,617.08 = 1,584.81 : x
  2. Step 2: Convert to fraction form
    5,745.78/8,617.08 = 1,584.81/x
  3. Step 3: Cross multiply
    5,745.78x = 8,617.08 × 1,584.81
  4. Step 4: Simplify right side
    5,745.78x = 13,656,434.55
  5. Step 5: Solve for x
    x = 13,656,434.55/5,745.78
  6. Step 6: Final answer
    x = 2,376.78

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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.