Home / 8,271.53-12,389.47-3,882.41

Finding the Fourth Proportional to 8,271.53, 12,389.47 and 3,882.41

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Solution

The fourth proportional to 8,271.53, 12,389.47 and 3,882.41 is: 5,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.53 : 12,389.47 = 3,882.41 : x
  2. Step 2: Convert to fraction form
    8,271.53/12,389.47 = 3,882.41/x
  3. Step 3: Cross multiply
    8,271.53x = 12,389.47 × 3,882.41
  4. Step 4: Simplify right side
    8,271.53x = 48,100,930.57
  5. Step 5: Solve for x
    x = 48,100,930.57/8,271.53
  6. Step 6: Final answer
    x = 5,815.24

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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.