Home / 6,450.27-9,676.78-2,070.80

Finding the Fourth Proportional to 6,450.27, 9,676.78 and 2,070.80

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Solution

The fourth proportional to 6,450.27, 9,676.78 and 2,070.80 is: 3,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.27 : 9,676.78 = 2,070.80 : x
  2. Step 2: Convert to fraction form
    6,450.27/9,676.78 = 2,070.80/x
  3. Step 3: Cross multiply
    6,450.27x = 9,676.78 × 2,070.80
  4. Step 4: Simplify right side
    6,450.27x = 20,038,701.96
  5. Step 5: Solve for x
    x = 20,038,701.96/6,450.27
  6. Step 6: Final answer
    x = 3,106.64

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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.