Home / 6,120.26-8,445.26-3,431.26

Finding the Fourth Proportional to 6,120.26, 8,445.26 and 3,431.26

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Solution

The fourth proportional to 6,120.26, 8,445.26 and 3,431.26 is: 4,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.26 : 8,445.26 = 3,431.26 : x
  2. Step 2: Convert to fraction form
    6,120.26/8,445.26 = 3,431.26/x
  3. Step 3: Cross multiply
    6,120.26x = 8,445.26 × 3,431.26
  4. Step 4: Simplify right side
    6,120.26x = 28,977,901.96
  5. Step 5: Solve for x
    x = 28,977,901.96/6,120.26
  6. Step 6: Final answer
    x = 4,734.75

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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.