Home / 5,226.69-7,211.84-2,989.27

Finding the Fourth Proportional to 5,226.69, 7,211.84 and 2,989.27

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Solution

The fourth proportional to 5,226.69, 7,211.84 and 2,989.27 is: 4,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.69 : 7,211.84 = 2,989.27 : x
  2. Step 2: Convert to fraction form
    5,226.69/7,211.84 = 2,989.27/x
  3. Step 3: Cross multiply
    5,226.69x = 7,211.84 × 2,989.27
  4. Step 4: Simplify right side
    5,226.69x = 21,558,131.03
  5. Step 5: Solve for x
    x = 21,558,131.03/5,226.69
  6. Step 6: Final answer
    x = 4,124.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.