Home / 8,729.07-13,093.26-2,155.08

Finding the Fourth Proportional to 8,729.07, 13,093.26 and 2,155.08

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Solution

The fourth proportional to 8,729.07, 13,093.26 and 2,155.08 is: 3,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.07 : 13,093.26 = 2,155.08 : x
  2. Step 2: Convert to fraction form
    8,729.07/13,093.26 = 2,155.08/x
  3. Step 3: Cross multiply
    8,729.07x = 13,093.26 × 2,155.08
  4. Step 4: Simplify right side
    8,729.07x = 28,217,063.78
  5. Step 5: Solve for x
    x = 28,217,063.78/8,729.07
  6. Step 6: Final answer
    x = 3,232.54

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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.