Home / 8,099.28-12,124.62-5,760

Finding the Fourth Proportional to 8,099.28, 12,124.62 and 5,760

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Solution

The fourth proportional to 8,099.28, 12,124.62 and 5,760 is: 8,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.28 : 12,124.62 = 5,760 : x
  2. Step 2: Convert to fraction form
    8,099.28/12,124.62 = 5,760/x
  3. Step 3: Cross multiply
    8,099.28x = 12,124.62 × 5,760
  4. Step 4: Simplify right side
    8,099.28x = 69,837,811.20
  5. Step 5: Solve for x
    x = 69,837,811.20/8,099.28
  6. Step 6: Final answer
    x = 8,622.72

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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.