Home / 7,474.85-11,212.27-3,087.48

Finding the Fourth Proportional to 7,474.85, 11,212.27 and 3,087.48

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Solution

The fourth proportional to 7,474.85, 11,212.27 and 3,087.48 is: 4,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.85 : 11,212.27 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    7,474.85/11,212.27 = 3,087.48/x
  3. Step 3: Cross multiply
    7,474.85x = 11,212.27 × 3,087.48
  4. Step 4: Simplify right side
    7,474.85x = 34,617,651.66
  5. Step 5: Solve for x
    x = 34,617,651.66/7,474.85
  6. Step 6: Final answer
    x = 4,631.22

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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.