Home / 5,621.94-8,423.31-3,975.30

Finding the Fourth Proportional to 5,621.94, 8,423.31 and 3,975.30

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Solution

The fourth proportional to 5,621.94, 8,423.31 and 3,975.30 is: 5,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.94 : 8,423.31 = 3,975.30 : x
  2. Step 2: Convert to fraction form
    5,621.94/8,423.31 = 3,975.30/x
  3. Step 3: Cross multiply
    5,621.94x = 8,423.31 × 3,975.30
  4. Step 4: Simplify right side
    5,621.94x = 33,485,184.24
  5. Step 5: Solve for x
    x = 33,485,184.24/5,621.94
  6. Step 6: Final answer
    x = 5,956.16

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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.