Home / 5,196.21-7,788.09-1,907.52

Finding the Fourth Proportional to 5,196.21, 7,788.09 and 1,907.52

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Solution

The fourth proportional to 5,196.21, 7,788.09 and 1,907.52 is: 2,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.21 : 7,788.09 = 1,907.52 : x
  2. Step 2: Convert to fraction form
    5,196.21/7,788.09 = 1,907.52/x
  3. Step 3: Cross multiply
    5,196.21x = 7,788.09 × 1,907.52
  4. Step 4: Simplify right side
    5,196.21x = 14,855,937.44
  5. Step 5: Solve for x
    x = 14,855,937.44/5,196.21
  6. Step 6: Final answer
    x = 2,858.99

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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.