Home / 8,389.64-12,576.25-3,463.43

Finding the Fourth Proportional to 8,389.64, 12,576.25 and 3,463.43

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Solution

The fourth proportional to 8,389.64, 12,576.25 and 3,463.43 is: 5,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.64 : 12,576.25 = 3,463.43 : x
  2. Step 2: Convert to fraction form
    8,389.64/12,576.25 = 3,463.43/x
  3. Step 3: Cross multiply
    8,389.64x = 12,576.25 × 3,463.43
  4. Step 4: Simplify right side
    8,389.64x = 43,556,902.99
  5. Step 5: Solve for x
    x = 43,556,902.99/8,389.64
  6. Step 6: Final answer
    x = 5,191.75

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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.