Home / 6,519.52-9,780.60-2,136.52

Finding the Fourth Proportional to 6,519.52, 9,780.60 and 2,136.52

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Solution

The fourth proportional to 6,519.52, 9,780.60 and 2,136.52 is: 3,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.52 : 9,780.60 = 2,136.52 : x
  2. Step 2: Convert to fraction form
    6,519.52/9,780.60 = 2,136.52/x
  3. Step 3: Cross multiply
    6,519.52x = 9,780.60 × 2,136.52
  4. Step 4: Simplify right side
    6,519.52x = 20,896,447.51
  5. Step 5: Solve for x
    x = 20,896,447.51/6,519.52
  6. Step 6: Final answer
    x = 3,205.21

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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.