Home / 5,621.19-8,427.62-2,696.71

Finding the Fourth Proportional to 5,621.19, 8,427.62 and 2,696.71

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Solution

The fourth proportional to 5,621.19, 8,427.62 and 2,696.71 is: 4,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.19 : 8,427.62 = 2,696.71 : x
  2. Step 2: Convert to fraction form
    5,621.19/8,427.62 = 2,696.71/x
  3. Step 3: Cross multiply
    5,621.19x = 8,427.62 × 2,696.71
  4. Step 4: Simplify right side
    5,621.19x = 22,726,847.13
  5. Step 5: Solve for x
    x = 22,726,847.13/5,621.19
  6. Step 6: Final answer
    x = 4,043.07

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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.