Home / 4,199.16-6,290.34-2,112.96

Finding the Fourth Proportional to 4,199.16, 6,290.34 and 2,112.96

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Solution

The fourth proportional to 4,199.16, 6,290.34 and 2,112.96 is: 3,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.16 : 6,290.34 = 2,112.96 : x
  2. Step 2: Convert to fraction form
    4,199.16/6,290.34 = 2,112.96/x
  3. Step 3: Cross multiply
    4,199.16x = 6,290.34 × 2,112.96
  4. Step 4: Simplify right side
    4,199.16x = 13,291,236.81
  5. Step 5: Solve for x
    x = 13,291,236.81/4,199.16
  6. Step 6: Final answer
    x = 3,165.21

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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.