Home / 7,531.74-11,297.97-3,639.42

Finding the Fourth Proportional to 7,531.74, 11,297.97 and 3,639.42

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Solution

The fourth proportional to 7,531.74, 11,297.97 and 3,639.42 is: 5,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.74 : 11,297.97 = 3,639.42 : x
  2. Step 2: Convert to fraction form
    7,531.74/11,297.97 = 3,639.42/x
  3. Step 3: Cross multiply
    7,531.74x = 11,297.97 × 3,639.42
  4. Step 4: Simplify right side
    7,531.74x = 41,118,057.98
  5. Step 5: Solve for x
    x = 41,118,057.98/7,531.74
  6. Step 6: Final answer
    x = 5,459.30

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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.