Home / 5,297.86-7,311.09-2,940.04

Finding the Fourth Proportional to 5,297.86, 7,311.09 and 2,940.04

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Solution

The fourth proportional to 5,297.86, 7,311.09 and 2,940.04 is: 4,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.86 : 7,311.09 = 2,940.04 : x
  2. Step 2: Convert to fraction form
    5,297.86/7,311.09 = 2,940.04/x
  3. Step 3: Cross multiply
    5,297.86x = 7,311.09 × 2,940.04
  4. Step 4: Simplify right side
    5,297.86x = 21,494,897.04
  5. Step 5: Solve for x
    x = 21,494,897.04/5,297.86
  6. Step 6: Final answer
    x = 4,057.28

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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.