Home / 5,617.36-8,431.21-2,845.96

Finding the Fourth Proportional to 5,617.36, 8,431.21 and 2,845.96

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Solution

The fourth proportional to 5,617.36, 8,431.21 and 2,845.96 is: 4,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.36 : 8,431.21 = 2,845.96 : x
  2. Step 2: Convert to fraction form
    5,617.36/8,431.21 = 2,845.96/x
  3. Step 3: Cross multiply
    5,617.36x = 8,431.21 × 2,845.96
  4. Step 4: Simplify right side
    5,617.36x = 23,994,886.41
  5. Step 5: Solve for x
    x = 23,994,886.41/5,617.36
  6. Step 6: Final answer
    x = 4,271.56

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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.