Home / 5,100.21-7,643.84-2,328.39

Finding the Fourth Proportional to 5,100.21, 7,643.84 and 2,328.39

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Solution

The fourth proportional to 5,100.21, 7,643.84 and 2,328.39 is: 3,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.21 : 7,643.84 = 2,328.39 : x
  2. Step 2: Convert to fraction form
    5,100.21/7,643.84 = 2,328.39/x
  3. Step 3: Cross multiply
    5,100.21x = 7,643.84 × 2,328.39
  4. Step 4: Simplify right side
    5,100.21x = 17,797,828.98
  5. Step 5: Solve for x
    x = 17,797,828.98/5,100.21
  6. Step 6: Final answer
    x = 3,489.63

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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.