Home / 4,515.06-6,755.60-3,131.08

Finding the Fourth Proportional to 4,515.06, 6,755.60 and 3,131.08

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Solution

The fourth proportional to 4,515.06, 6,755.60 and 3,131.08 is: 4,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.06 : 6,755.60 = 3,131.08 : x
  2. Step 2: Convert to fraction form
    4,515.06/6,755.60 = 3,131.08/x
  3. Step 3: Cross multiply
    4,515.06x = 6,755.60 × 3,131.08
  4. Step 4: Simplify right side
    4,515.06x = 21,152,324.05
  5. Step 5: Solve for x
    x = 21,152,324.05/4,515.06
  6. Step 6: Final answer
    x = 4,684.84

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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.