Home / 5,621.06-8,429.34-2,331.92

Finding the Fourth Proportional to 5,621.06, 8,429.34 and 2,331.92

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Solution

The fourth proportional to 5,621.06, 8,429.34 and 2,331.92 is: 3,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.06 : 8,429.34 = 2,331.92 : x
  2. Step 2: Convert to fraction form
    5,621.06/8,429.34 = 2,331.92/x
  3. Step 3: Cross multiply
    5,621.06x = 8,429.34 × 2,331.92
  4. Step 4: Simplify right side
    5,621.06x = 19,656,546.53
  5. Step 5: Solve for x
    x = 19,656,546.53/5,621.06
  6. Step 6: Final answer
    x = 3,496.95

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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.