Home / 7,758.24-11,635.39-5,438.94

Finding the Fourth Proportional to 7,758.24, 11,635.39 and 5,438.94

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Solution

The fourth proportional to 7,758.24, 11,635.39 and 5,438.94 is: 8,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.24 : 11,635.39 = 5,438.94 : x
  2. Step 2: Convert to fraction form
    7,758.24/11,635.39 = 5,438.94/x
  3. Step 3: Cross multiply
    7,758.24x = 11,635.39 × 5,438.94
  4. Step 4: Simplify right side
    7,758.24x = 63,284,188.09
  5. Step 5: Solve for x
    x = 63,284,188.09/7,758.24
  6. Step 6: Final answer
    x = 8,157.03

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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.