Home / 5,224.45-7,209.22-2,986.87

Finding the Fourth Proportional to 5,224.45, 7,209.22 and 2,986.87

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Solution

The fourth proportional to 5,224.45, 7,209.22 and 2,986.87 is: 4,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.45 : 7,209.22 = 2,986.87 : x
  2. Step 2: Convert to fraction form
    5,224.45/7,209.22 = 2,986.87/x
  3. Step 3: Cross multiply
    5,224.45x = 7,209.22 × 2,986.87
  4. Step 4: Simplify right side
    5,224.45x = 21,533,002.94
  5. Step 5: Solve for x
    x = 21,533,002.94/5,224.45
  6. Step 6: Final answer
    x = 4,121.58

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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.