Home / 4,505.21-6,756.74-1,218.33

Finding the Fourth Proportional to 4,505.21, 6,756.74 and 1,218.33

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Solution

The fourth proportional to 4,505.21, 6,756.74 and 1,218.33 is: 1,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.21 : 6,756.74 = 1,218.33 : x
  2. Step 2: Convert to fraction form
    4,505.21/6,756.74 = 1,218.33/x
  3. Step 3: Cross multiply
    4,505.21x = 6,756.74 × 1,218.33
  4. Step 4: Simplify right side
    4,505.21x = 8,231,932.95
  5. Step 5: Solve for x
    x = 8,231,932.95/4,505.21
  6. Step 6: Final answer
    x = 1,827.20

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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.