Home / 6,393.70-8,821.19-3,739.23

Finding the Fourth Proportional to 6,393.70, 8,821.19 and 3,739.23

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Solution

The fourth proportional to 6,393.70, 8,821.19 and 3,739.23 is: 5,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.70 : 8,821.19 = 3,739.23 : x
  2. Step 2: Convert to fraction form
    6,393.70/8,821.19 = 3,739.23/x
  3. Step 3: Cross multiply
    6,393.70x = 8,821.19 × 3,739.23
  4. Step 4: Simplify right side
    6,393.70x = 32,984,395.48
  5. Step 5: Solve for x
    x = 32,984,395.48/6,393.70
  6. Step 6: Final answer
    x = 5,158.89

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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.