Home / 6,556.28-9,047.70-3,723.64

Finding the Fourth Proportional to 6,556.28, 9,047.70 and 3,723.64

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Solution

The fourth proportional to 6,556.28, 9,047.70 and 3,723.64 is: 5,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.28 : 9,047.70 = 3,723.64 : x
  2. Step 2: Convert to fraction form
    6,556.28/9,047.70 = 3,723.64/x
  3. Step 3: Cross multiply
    6,556.28x = 9,047.70 × 3,723.64
  4. Step 4: Simplify right side
    6,556.28x = 33,690,355.01
  5. Step 5: Solve for x
    x = 33,690,355.01/6,556.28
  6. Step 6: Final answer
    x = 5,138.64

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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.