Home / 6,519.96-9,780.76-2,136.24

Finding the Fourth Proportional to 6,519.96, 9,780.76 and 2,136.24

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Solution

The fourth proportional to 6,519.96, 9,780.76 and 2,136.24 is: 3,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.96 : 9,780.76 = 2,136.24 : x
  2. Step 2: Convert to fraction form
    6,519.96/9,780.76 = 2,136.24/x
  3. Step 3: Cross multiply
    6,519.96x = 9,780.76 × 2,136.24
  4. Step 4: Simplify right side
    6,519.96x = 20,894,050.74
  5. Step 5: Solve for x
    x = 20,894,050.74/6,519.96
  6. Step 6: Final answer
    x = 3,204.63

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1.5x scale

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.