Home / 6,889.34-10,331.96-3,600.64

Finding the Fourth Proportional to 6,889.34, 10,331.96 and 3,600.64

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Solution

The fourth proportional to 6,889.34, 10,331.96 and 3,600.64 is: 5,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.34 : 10,331.96 = 3,600.64 : x
  2. Step 2: Convert to fraction form
    6,889.34/10,331.96 = 3,600.64/x
  3. Step 3: Cross multiply
    6,889.34x = 10,331.96 × 3,600.64
  4. Step 4: Simplify right side
    6,889.34x = 37,201,668.45
  5. Step 5: Solve for x
    x = 37,201,668.45/6,889.34
  6. Step 6: Final answer
    x = 5,399.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.