Home / 5,339.57-8,009.66-2,219.86

Finding the Fourth Proportional to 5,339.57, 8,009.66 and 2,219.86

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Solution

The fourth proportional to 5,339.57, 8,009.66 and 2,219.86 is: 3,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.57 : 8,009.66 = 2,219.86 : x
  2. Step 2: Convert to fraction form
    5,339.57/8,009.66 = 2,219.86/x
  3. Step 3: Cross multiply
    5,339.57x = 8,009.66 × 2,219.86
  4. Step 4: Simplify right side
    5,339.57x = 17,780,272.70
  5. Step 5: Solve for x
    x = 17,780,272.70/5,339.57
  6. Step 6: Final answer
    x = 3,329.91

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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.