Home / 7,542.90-11,297.88-3,639.12

Finding the Fourth Proportional to 7,542.90, 11,297.88 and 3,639.12

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Solution

The fourth proportional to 7,542.90, 11,297.88 and 3,639.12 is: 5,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.90 : 11,297.88 = 3,639.12 : x
  2. Step 2: Convert to fraction form
    7,542.90/11,297.88 = 3,639.12/x
  3. Step 3: Cross multiply
    7,542.90x = 11,297.88 × 3,639.12
  4. Step 4: Simplify right side
    7,542.90x = 41,114,341.07
  5. Step 5: Solve for x
    x = 41,114,341.07/7,542.90
  6. Step 6: Final answer
    x = 5,450.73

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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.