Home / 7,525.72-11,295.18-3,581.80

Finding the Fourth Proportional to 7,525.72, 11,295.18 and 3,581.80

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Solution

The fourth proportional to 7,525.72, 11,295.18 and 3,581.80 is: 5,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.72 : 11,295.18 = 3,581.80 : x
  2. Step 2: Convert to fraction form
    7,525.72/11,295.18 = 3,581.80/x
  3. Step 3: Cross multiply
    7,525.72x = 11,295.18 × 3,581.80
  4. Step 4: Simplify right side
    7,525.72x = 40,457,075.72
  5. Step 5: Solve for x
    x = 40,457,075.72/7,525.72
  6. Step 6: Final answer
    x = 5,375.84

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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.