Home / 8,456.49-12,684.44-2,216.45

Finding the Fourth Proportional to 8,456.49, 12,684.44 and 2,216.45

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Solution

The fourth proportional to 8,456.49, 12,684.44 and 2,216.45 is: 3,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.49 : 12,684.44 = 2,216.45 : x
  2. Step 2: Convert to fraction form
    8,456.49/12,684.44 = 2,216.45/x
  3. Step 3: Cross multiply
    8,456.49x = 12,684.44 × 2,216.45
  4. Step 4: Simplify right side
    8,456.49x = 28,114,464.29
  5. Step 5: Solve for x
    x = 28,114,464.29/8,456.49
  6. Step 6: Final answer
    x = 3,324.60

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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.