Home / 6,399.06-8,834.19-4,420.26

Finding the Fourth Proportional to 6,399.06, 8,834.19 and 4,420.26

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Solution

The fourth proportional to 6,399.06, 8,834.19 and 4,420.26 is: 6,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.06 : 8,834.19 = 4,420.26 : x
  2. Step 2: Convert to fraction form
    6,399.06/8,834.19 = 4,420.26/x
  3. Step 3: Cross multiply
    6,399.06x = 8,834.19 × 4,420.26
  4. Step 4: Simplify right side
    6,399.06x = 39,049,405.63
  5. Step 5: Solve for x
    x = 39,049,405.63/6,399.06
  6. Step 6: Final answer
    x = 6,102.37

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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.