Home / 6,310.40-9,466.60-2,150.80

Finding the Fourth Proportional to 6,310.40, 9,466.60 and 2,150.80

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Solution

The fourth proportional to 6,310.40, 9,466.60 and 2,150.80 is: 3,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.40 : 9,466.60 = 2,150.80 : x
  2. Step 2: Convert to fraction form
    6,310.40/9,466.60 = 2,150.80/x
  3. Step 3: Cross multiply
    6,310.40x = 9,466.60 × 2,150.80
  4. Step 4: Simplify right side
    6,310.40x = 20,360,763.28
  5. Step 5: Solve for x
    x = 20,360,763.28/6,310.40
  6. Step 6: Final answer
    x = 3,226.54

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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.