Home / 8,369.28-12,543-3,433.35

Finding the Fourth Proportional to 8,369.28, 12,543 and 3,433.35

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Solution

The fourth proportional to 8,369.28, 12,543 and 3,433.35 is: 5,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.28 : 12,543 = 3,433.35 : x
  2. Step 2: Convert to fraction form
    8,369.28/12,543 = 3,433.35/x
  3. Step 3: Cross multiply
    8,369.28x = 12,543 × 3,433.35
  4. Step 4: Simplify right side
    8,369.28x = 43,064,509.05
  5. Step 5: Solve for x
    x = 43,064,509.05/8,369.28
  6. Step 6: Final answer
    x = 5,145.55

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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.