Home / 8,752.37-13,120.25-3,490.61

Finding the Fourth Proportional to 8,752.37, 13,120.25 and 3,490.61

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Solution

The fourth proportional to 8,752.37, 13,120.25 and 3,490.61 is: 5,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.37 : 13,120.25 = 3,490.61 : x
  2. Step 2: Convert to fraction form
    8,752.37/13,120.25 = 3,490.61/x
  3. Step 3: Cross multiply
    8,752.37x = 13,120.25 × 3,490.61
  4. Step 4: Simplify right side
    8,752.37x = 45,797,717.38
  5. Step 5: Solve for x
    x = 45,797,717.38/8,752.37
  6. Step 6: Final answer
    x = 5,232.61

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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.