Home / 7,529.26-11,290.34-2,783.88

Finding the Fourth Proportional to 7,529.26, 11,290.34 and 2,783.88

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Solution

The fourth proportional to 7,529.26, 11,290.34 and 2,783.88 is: 4,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.26 : 11,290.34 = 2,783.88 : x
  2. Step 2: Convert to fraction form
    7,529.26/11,290.34 = 2,783.88/x
  3. Step 3: Cross multiply
    7,529.26x = 11,290.34 × 2,783.88
  4. Step 4: Simplify right side
    7,529.26x = 31,430,951.72
  5. Step 5: Solve for x
    x = 31,430,951.72/7,529.26
  6. Step 6: Final answer
    x = 4,174.51

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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.