Home / 7,450.37-11,175.55-1,903.72

Finding the Fourth Proportional to 7,450.37, 11,175.55 and 1,903.72

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Solution

The fourth proportional to 7,450.37, 11,175.55 and 1,903.72 is: 2,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.37 : 11,175.55 = 1,903.72 : x
  2. Step 2: Convert to fraction form
    7,450.37/11,175.55 = 1,903.72/x
  3. Step 3: Cross multiply
    7,450.37x = 11,175.55 × 1,903.72
  4. Step 4: Simplify right side
    7,450.37x = 21,275,085.35
  5. Step 5: Solve for x
    x = 21,275,085.35/7,450.37
  6. Step 6: Final answer
    x = 2,855.57

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Similar ratio
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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.