Home / 8,745.41-13,114.20-2,820.46

Finding the Fourth Proportional to 8,745.41, 13,114.20 and 2,820.46

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Solution

The fourth proportional to 8,745.41, 13,114.20 and 2,820.46 is: 4,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.41 : 13,114.20 = 2,820.46 : x
  2. Step 2: Convert to fraction form
    8,745.41/13,114.20 = 2,820.46/x
  3. Step 3: Cross multiply
    8,745.41x = 13,114.20 × 2,820.46
  4. Step 4: Simplify right side
    8,745.41x = 36,988,076.53
  5. Step 5: Solve for x
    x = 36,988,076.53/8,745.41
  6. Step 6: Final answer
    x = 4,229.43

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1.5x scale

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.