Home / 5,339.70-8,004.07-2,221.51

Finding the Fourth Proportional to 5,339.70, 8,004.07 and 2,221.51

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Solution

The fourth proportional to 5,339.70, 8,004.07 and 2,221.51 is: 3,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.70 : 8,004.07 = 2,221.51 : x
  2. Step 2: Convert to fraction form
    5,339.70/8,004.07 = 2,221.51/x
  3. Step 3: Cross multiply
    5,339.70x = 8,004.07 × 2,221.51
  4. Step 4: Simplify right side
    5,339.70x = 17,781,121.55
  5. Step 5: Solve for x
    x = 17,781,121.55/5,339.70
  6. Step 6: Final answer
    x = 3,329.99

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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.