Home / 5,745.16-8,612.88-2,280.52

Finding the Fourth Proportional to 5,745.16, 8,612.88 and 2,280.52

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Solution

The fourth proportional to 5,745.16, 8,612.88 and 2,280.52 is: 3,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.16 : 8,612.88 = 2,280.52 : x
  2. Step 2: Convert to fraction form
    5,745.16/8,612.88 = 2,280.52/x
  3. Step 3: Cross multiply
    5,745.16x = 8,612.88 × 2,280.52
  4. Step 4: Simplify right side
    5,745.16x = 19,641,845.10
  5. Step 5: Solve for x
    x = 19,641,845.10/5,745.16
  6. Step 6: Final answer
    x = 3,418.85

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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.