Home / 8,826.45-12,183.23-5,682.63

Finding the Fourth Proportional to 8,826.45, 12,183.23 and 5,682.63

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Solution

The fourth proportional to 8,826.45, 12,183.23 and 5,682.63 is: 7,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.45 : 12,183.23 = 5,682.63 : x
  2. Step 2: Convert to fraction form
    8,826.45/12,183.23 = 5,682.63/x
  3. Step 3: Cross multiply
    8,826.45x = 12,183.23 × 5,682.63
  4. Step 4: Simplify right side
    8,826.45x = 69,232,788.29
  5. Step 5: Solve for x
    x = 69,232,788.29/8,826.45
  6. Step 6: Final answer
    x = 7,843.79

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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.