Home / 8,388.02-12,573.39-4,491.38

Finding the Fourth Proportional to 8,388.02, 12,573.39 and 4,491.38

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Solution

The fourth proportional to 8,388.02, 12,573.39 and 4,491.38 is: 6,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.02 : 12,573.39 = 4,491.38 : x
  2. Step 2: Convert to fraction form
    8,388.02/12,573.39 = 4,491.38/x
  3. Step 3: Cross multiply
    8,388.02x = 12,573.39 × 4,491.38
  4. Step 4: Simplify right side
    8,388.02x = 56,471,872.38
  5. Step 5: Solve for x
    x = 56,471,872.38/8,388.02
  6. Step 6: Final answer
    x = 6,732.44

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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.