Home / 4,755.30-7,136.04-2,158.26

Finding the Fourth Proportional to 4,755.30, 7,136.04 and 2,158.26

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Solution

The fourth proportional to 4,755.30, 7,136.04 and 2,158.26 is: 3,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.30 : 7,136.04 = 2,158.26 : x
  2. Step 2: Convert to fraction form
    4,755.30/7,136.04 = 2,158.26/x
  3. Step 3: Cross multiply
    4,755.30x = 7,136.04 × 2,158.26
  4. Step 4: Simplify right side
    4,755.30x = 15,401,429.69
  5. Step 5: Solve for x
    x = 15,401,429.69/4,755.30
  6. Step 6: Final answer
    x = 3,238.79

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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.