Home / 6,722.36-9,277.04-3,889.46

Finding the Fourth Proportional to 6,722.36, 9,277.04 and 3,889.46

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Solution

The fourth proportional to 6,722.36, 9,277.04 and 3,889.46 is: 5,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.36 : 9,277.04 = 3,889.46 : x
  2. Step 2: Convert to fraction form
    6,722.36/9,277.04 = 3,889.46/x
  3. Step 3: Cross multiply
    6,722.36x = 9,277.04 × 3,889.46
  4. Step 4: Simplify right side
    6,722.36x = 36,082,676.00
  5. Step 5: Solve for x
    x = 36,082,676.00/6,722.36
  6. Step 6: Final answer
    x = 5,367.56

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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.