Home / 8,268.88-11,410.68-4,911.84

Finding the Fourth Proportional to 8,268.88, 11,410.68 and 4,911.84

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Solution

The fourth proportional to 8,268.88, 11,410.68 and 4,911.84 is: 6,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.88 : 11,410.68 = 4,911.84 : x
  2. Step 2: Convert to fraction form
    8,268.88/11,410.68 = 4,911.84/x
  3. Step 3: Cross multiply
    8,268.88x = 11,410.68 × 4,911.84
  4. Step 4: Simplify right side
    8,268.88x = 56,047,434.45
  5. Step 5: Solve for x
    x = 56,047,434.45/8,268.88
  6. Step 6: Final answer
    x = 6,778.12

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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.