Home / 5,192.72-7,165.56-2,834.80

Finding the Fourth Proportional to 5,192.72, 7,165.56 and 2,834.80

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Solution

The fourth proportional to 5,192.72, 7,165.56 and 2,834.80 is: 3,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.72 : 7,165.56 = 2,834.80 : x
  2. Step 2: Convert to fraction form
    5,192.72/7,165.56 = 2,834.80/x
  3. Step 3: Cross multiply
    5,192.72x = 7,165.56 × 2,834.80
  4. Step 4: Simplify right side
    5,192.72x = 20,312,929.49
  5. Step 5: Solve for x
    x = 20,312,929.49/5,192.72
  6. Step 6: Final answer
    x = 3,911.81

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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.