Home / 6,518.84-9,779.49-2,136.56

Finding the Fourth Proportional to 6,518.84, 9,779.49 and 2,136.56

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Solution

The fourth proportional to 6,518.84, 9,779.49 and 2,136.56 is: 3,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.84 : 9,779.49 = 2,136.56 : x
  2. Step 2: Convert to fraction form
    6,518.84/9,779.49 = 2,136.56/x
  3. Step 3: Cross multiply
    6,518.84x = 9,779.49 × 2,136.56
  4. Step 4: Simplify right side
    6,518.84x = 20,894,418.26
  5. Step 5: Solve for x
    x = 20,894,418.26/6,518.84
  6. Step 6: Final answer
    x = 3,205.24

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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.