Home / 5,213.45-7,192.55-2,975.45

Finding the Fourth Proportional to 5,213.45, 7,192.55 and 2,975.45

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Solution

The fourth proportional to 5,213.45, 7,192.55 and 2,975.45 is: 4,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.45 : 7,192.55 = 2,975.45 : x
  2. Step 2: Convert to fraction form
    5,213.45/7,192.55 = 2,975.45/x
  3. Step 3: Cross multiply
    5,213.45x = 7,192.55 × 2,975.45
  4. Step 4: Simplify right side
    5,213.45x = 21,401,044.37
  5. Step 5: Solve for x
    x = 21,401,044.37/5,213.45
  6. Step 6: Final answer
    x = 4,104.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.