Home / 8,313.24-12,466.17-3,115.47

Finding the Fourth Proportional to 8,313.24, 12,466.17 and 3,115.47

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Solution

The fourth proportional to 8,313.24, 12,466.17 and 3,115.47 is: 4,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.24 : 12,466.17 = 3,115.47 : x
  2. Step 2: Convert to fraction form
    8,313.24/12,466.17 = 3,115.47/x
  3. Step 3: Cross multiply
    8,313.24x = 12,466.17 × 3,115.47
  4. Step 4: Simplify right side
    8,313.24x = 38,837,978.65
  5. Step 5: Solve for x
    x = 38,837,978.65/8,313.24
  6. Step 6: Final answer
    x = 4,671.82

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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.