Home / 5,745.60-8,619.21-1,849.50

Finding the Fourth Proportional to 5,745.60, 8,619.21 and 1,849.50

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Solution

The fourth proportional to 5,745.60, 8,619.21 and 1,849.50 is: 2,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.60 : 8,619.21 = 1,849.50 : x
  2. Step 2: Convert to fraction form
    5,745.60/8,619.21 = 1,849.50/x
  3. Step 3: Cross multiply
    5,745.60x = 8,619.21 × 1,849.50
  4. Step 4: Simplify right side
    5,745.60x = 15,941,228.90
  5. Step 5: Solve for x
    x = 15,941,228.90/5,745.60
  6. Step 6: Final answer
    x = 2,774.51

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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.