Home / 5,253.95-7,883.36-2,136.09

Finding the Fourth Proportional to 5,253.95, 7,883.36 and 2,136.09

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Solution

The fourth proportional to 5,253.95, 7,883.36 and 2,136.09 is: 3,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.95 : 7,883.36 = 2,136.09 : x
  2. Step 2: Convert to fraction form
    5,253.95/7,883.36 = 2,136.09/x
  3. Step 3: Cross multiply
    5,253.95x = 7,883.36 × 2,136.09
  4. Step 4: Simplify right side
    5,253.95x = 16,839,555.78
  5. Step 5: Solve for x
    x = 16,839,555.78/5,253.95
  6. Step 6: Final answer
    x = 3,205.13

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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.