Home / 8,436.06-12,653.37-2,889.54

Finding the Fourth Proportional to 8,436.06, 12,653.37 and 2,889.54

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Solution

The fourth proportional to 8,436.06, 12,653.37 and 2,889.54 is: 4,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.06 : 12,653.37 = 2,889.54 : x
  2. Step 2: Convert to fraction form
    8,436.06/12,653.37 = 2,889.54/x
  3. Step 3: Cross multiply
    8,436.06x = 12,653.37 × 2,889.54
  4. Step 4: Simplify right side
    8,436.06x = 36,562,418.75
  5. Step 5: Solve for x
    x = 36,562,418.75/8,436.06
  6. Step 6: Final answer
    x = 4,334.06

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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.