Home / 5,589.29-8,376.80-2,621.19

Finding the Fourth Proportional to 5,589.29, 8,376.80 and 2,621.19

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Solution

The fourth proportional to 5,589.29, 8,376.80 and 2,621.19 is: 3,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.29 : 8,376.80 = 2,621.19 : x
  2. Step 2: Convert to fraction form
    5,589.29/8,376.80 = 2,621.19/x
  3. Step 3: Cross multiply
    5,589.29x = 8,376.80 × 2,621.19
  4. Step 4: Simplify right side
    5,589.29x = 21,957,184.39
  5. Step 5: Solve for x
    x = 21,957,184.39/5,589.29
  6. Step 6: Final answer
    x = 3,928.44

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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.