Home / 8,120.22-11,205.37-4,582.95

Finding the Fourth Proportional to 8,120.22, 11,205.37 and 4,582.95

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Solution

The fourth proportional to 8,120.22, 11,205.37 and 4,582.95 is: 6,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.22 : 11,205.37 = 4,582.95 : x
  2. Step 2: Convert to fraction form
    8,120.22/11,205.37 = 4,582.95/x
  3. Step 3: Cross multiply
    8,120.22x = 11,205.37 × 4,582.95
  4. Step 4: Simplify right side
    8,120.22x = 51,353,650.44
  5. Step 5: Solve for x
    x = 51,353,650.44/8,120.22
  6. Step 6: Final answer
    x = 6,324.17

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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.