Home / 8,232.79-12,351.21-2,389.32

Finding the Fourth Proportional to 8,232.79, 12,351.21 and 2,389.32

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Solution

The fourth proportional to 8,232.79, 12,351.21 and 2,389.32 is: 3,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.79 : 12,351.21 = 2,389.32 : x
  2. Step 2: Convert to fraction form
    8,232.79/12,351.21 = 2,389.32/x
  3. Step 3: Cross multiply
    8,232.79x = 12,351.21 × 2,389.32
  4. Step 4: Simplify right side
    8,232.79x = 29,510,931.32
  5. Step 5: Solve for x
    x = 29,510,931.32/8,232.79
  6. Step 6: Final answer
    x = 3,584.56

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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.