Home / 8,345.37-12,518.22-2,797.68

Finding the Fourth Proportional to 8,345.37, 12,518.22 and 2,797.68

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Solution

The fourth proportional to 8,345.37, 12,518.22 and 2,797.68 is: 4,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.37 : 12,518.22 = 2,797.68 : x
  2. Step 2: Convert to fraction form
    8,345.37/12,518.22 = 2,797.68/x
  3. Step 3: Cross multiply
    8,345.37x = 12,518.22 × 2,797.68
  4. Step 4: Simplify right side
    8,345.37x = 35,021,973.73
  5. Step 5: Solve for x
    x = 35,021,973.73/8,345.37
  6. Step 6: Final answer
    x = 4,196.58

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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.