Home / 8,240.28-12,356.67-3,558.06

Finding the Fourth Proportional to 8,240.28, 12,356.67 and 3,558.06

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Solution

The fourth proportional to 8,240.28, 12,356.67 and 3,558.06 is: 5,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.28 : 12,356.67 = 3,558.06 : x
  2. Step 2: Convert to fraction form
    8,240.28/12,356.67 = 3,558.06/x
  3. Step 3: Cross multiply
    8,240.28x = 12,356.67 × 3,558.06
  4. Step 4: Simplify right side
    8,240.28x = 43,965,773.26
  5. Step 5: Solve for x
    x = 43,965,773.26/8,240.28
  6. Step 6: Final answer
    x = 5,335.47

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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.