Home / 8,729.06-13,093.25-2,155.07

Finding the Fourth Proportional to 8,729.06, 13,093.25 and 2,155.07

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Solution

The fourth proportional to 8,729.06, 13,093.25 and 2,155.07 is: 3,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.06 : 13,093.25 = 2,155.07 : x
  2. Step 2: Convert to fraction form
    8,729.06/13,093.25 = 2,155.07/x
  3. Step 3: Cross multiply
    8,729.06x = 13,093.25 × 2,155.07
  4. Step 4: Simplify right side
    8,729.06x = 28,216,892.24
  5. Step 5: Solve for x
    x = 28,216,892.24/8,729.06
  6. Step 6: Final answer
    x = 3,232.53

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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.