Home / 8,389.44-12,586.66-3,459.38

Finding the Fourth Proportional to 8,389.44, 12,586.66 and 3,459.38

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Solution

The fourth proportional to 8,389.44, 12,586.66 and 3,459.38 is: 5,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.44 : 12,586.66 = 3,459.38 : x
  2. Step 2: Convert to fraction form
    8,389.44/12,586.66 = 3,459.38/x
  3. Step 3: Cross multiply
    8,389.44x = 12,586.66 × 3,459.38
  4. Step 4: Simplify right side
    8,389.44x = 43,541,968.29
  5. Step 5: Solve for x
    x = 43,541,968.29/8,389.44
  6. Step 6: Final answer
    x = 5,190.09

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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.