Home / 5,433.44-8,142.16-2,427.84

Finding the Fourth Proportional to 5,433.44, 8,142.16 and 2,427.84

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Solution

The fourth proportional to 5,433.44, 8,142.16 and 2,427.84 is: 3,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.44 : 8,142.16 = 2,427.84 : x
  2. Step 2: Convert to fraction form
    5,433.44/8,142.16 = 2,427.84/x
  3. Step 3: Cross multiply
    5,433.44x = 8,142.16 × 2,427.84
  4. Step 4: Simplify right side
    5,433.44x = 19,767,821.02
  5. Step 5: Solve for x
    x = 19,767,821.02/5,433.44
  6. Step 6: Final answer
    x = 3,638.18

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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.