Home / 8,784.88-13,177.15-2,211.07

Finding the Fourth Proportional to 8,784.88, 13,177.15 and 2,211.07

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Solution

The fourth proportional to 8,784.88, 13,177.15 and 2,211.07 is: 3,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.88 : 13,177.15 = 2,211.07 : x
  2. Step 2: Convert to fraction form
    8,784.88/13,177.15 = 2,211.07/x
  3. Step 3: Cross multiply
    8,784.88x = 13,177.15 × 2,211.07
  4. Step 4: Simplify right side
    8,784.88x = 29,135,601.05
  5. Step 5: Solve for x
    x = 29,135,601.05/8,784.88
  6. Step 6: Final answer
    x = 3,316.56

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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.