Home / 8,198.84-12,298.36-2,355.50

Finding the Fourth Proportional to 8,198.84, 12,298.36 and 2,355.50

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Solution

The fourth proportional to 8,198.84, 12,298.36 and 2,355.50 is: 3,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.84 : 12,298.36 = 2,355.50 : x
  2. Step 2: Convert to fraction form
    8,198.84/12,298.36 = 2,355.50/x
  3. Step 3: Cross multiply
    8,198.84x = 12,298.36 × 2,355.50
  4. Step 4: Simplify right side
    8,198.84x = 28,968,786.98
  5. Step 5: Solve for x
    x = 28,968,786.98/8,198.84
  6. Step 6: Final answer
    x = 3,533.28

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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.