Home / 6,379.05-8,803.26-3,860.63

Finding the Fourth Proportional to 6,379.05, 8,803.26 and 3,860.63

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Solution

The fourth proportional to 6,379.05, 8,803.26 and 3,860.63 is: 5,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.05 : 8,803.26 = 3,860.63 : x
  2. Step 2: Convert to fraction form
    6,379.05/8,803.26 = 3,860.63/x
  3. Step 3: Cross multiply
    6,379.05x = 8,803.26 × 3,860.63
  4. Step 4: Simplify right side
    6,379.05x = 33,986,085.64
  5. Step 5: Solve for x
    x = 33,986,085.64/6,379.05
  6. Step 6: Final answer
    x = 5,327.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.