Home / 8,099.22-12,151.53-2,905.50

Finding the Fourth Proportional to 8,099.22, 12,151.53 and 2,905.50

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Solution

The fourth proportional to 8,099.22, 12,151.53 and 2,905.50 is: 4,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.22 : 12,151.53 = 2,905.50 : x
  2. Step 2: Convert to fraction form
    8,099.22/12,151.53 = 2,905.50/x
  3. Step 3: Cross multiply
    8,099.22x = 12,151.53 × 2,905.50
  4. Step 4: Simplify right side
    8,099.22x = 35,306,270.42
  5. Step 5: Solve for x
    x = 35,306,270.42/8,099.22
  6. Step 6: Final answer
    x = 4,359.22

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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.