Home / 8,181.80-11,291.32-4,826.57

Finding the Fourth Proportional to 8,181.80, 11,291.32 and 4,826.57

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Solution

The fourth proportional to 8,181.80, 11,291.32 and 4,826.57 is: 6,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.80 : 11,291.32 = 4,826.57 : x
  2. Step 2: Convert to fraction form
    8,181.80/11,291.32 = 4,826.57/x
  3. Step 3: Cross multiply
    8,181.80x = 11,291.32 × 4,826.57
  4. Step 4: Simplify right side
    8,181.80x = 54,498,322.24
  5. Step 5: Solve for x
    x = 54,498,322.24/8,181.80
  6. Step 6: Final answer
    x = 6,660.92

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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.