Home / 5,388.34-8,079.46-2,097.65

Finding the Fourth Proportional to 5,388.34, 8,079.46 and 2,097.65

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Solution

The fourth proportional to 5,388.34, 8,079.46 and 2,097.65 is: 3,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.34 : 8,079.46 = 2,097.65 : x
  2. Step 2: Convert to fraction form
    5,388.34/8,079.46 = 2,097.65/x
  3. Step 3: Cross multiply
    5,388.34x = 8,079.46 × 2,097.65
  4. Step 4: Simplify right side
    5,388.34x = 16,947,833.63
  5. Step 5: Solve for x
    x = 16,947,833.63/5,388.34
  6. Step 6: Final answer
    x = 3,145.28

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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.