Home / 5,694.30-8,538.89-2,405.70

Finding the Fourth Proportional to 5,694.30, 8,538.89 and 2,405.70

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Solution

The fourth proportional to 5,694.30, 8,538.89 and 2,405.70 is: 3,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.30 : 8,538.89 = 2,405.70 : x
  2. Step 2: Convert to fraction form
    5,694.30/8,538.89 = 2,405.70/x
  3. Step 3: Cross multiply
    5,694.30x = 8,538.89 × 2,405.70
  4. Step 4: Simplify right side
    5,694.30x = 20,541,995.64
  5. Step 5: Solve for x
    x = 20,541,995.64/5,694.30
  6. Step 6: Final answer
    x = 3,607.47

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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.