Home / 5,388.58-8,085.30-2,754.46

Finding the Fourth Proportional to 5,388.58, 8,085.30 and 2,754.46

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Solution

The fourth proportional to 5,388.58, 8,085.30 and 2,754.46 is: 4,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.58 : 8,085.30 = 2,754.46 : x
  2. Step 2: Convert to fraction form
    5,388.58/8,085.30 = 2,754.46/x
  3. Step 3: Cross multiply
    5,388.58x = 8,085.30 × 2,754.46
  4. Step 4: Simplify right side
    5,388.58x = 22,270,635.44
  5. Step 5: Solve for x
    x = 22,270,635.44/5,388.58
  6. Step 6: Final answer
    x = 4,132.93

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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.