Home / 5,339.29-8,005.49-2,221.45

Finding the Fourth Proportional to 5,339.29, 8,005.49 and 2,221.45

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Solution

The fourth proportional to 5,339.29, 8,005.49 and 2,221.45 is: 3,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.29 : 8,005.49 = 2,221.45 : x
  2. Step 2: Convert to fraction form
    5,339.29/8,005.49 = 2,221.45/x
  3. Step 3: Cross multiply
    5,339.29x = 8,005.49 × 2,221.45
  4. Step 4: Simplify right side
    5,339.29x = 17,783,744.63
  5. Step 5: Solve for x
    x = 17,783,744.63/5,339.29
  6. Step 6: Final answer
    x = 3,330.73

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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.