Home / 5,136.94-7,700.55-2,536.84

Finding the Fourth Proportional to 5,136.94, 7,700.55 and 2,536.84

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Solution

The fourth proportional to 5,136.94, 7,700.55 and 2,536.84 is: 3,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.94 : 7,700.55 = 2,536.84 : x
  2. Step 2: Convert to fraction form
    5,136.94/7,700.55 = 2,536.84/x
  3. Step 3: Cross multiply
    5,136.94x = 7,700.55 × 2,536.84
  4. Step 4: Simplify right side
    5,136.94x = 19,535,063.26
  5. Step 5: Solve for x
    x = 19,535,063.26/5,136.94
  6. Step 6: Final answer
    x = 3,802.86

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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.