Home / 5,376.96-8,065.60-2,090.80

Finding the Fourth Proportional to 5,376.96, 8,065.60 and 2,090.80

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Solution

The fourth proportional to 5,376.96, 8,065.60 and 2,090.80 is: 3,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.96 : 8,065.60 = 2,090.80 : x
  2. Step 2: Convert to fraction form
    5,376.96/8,065.60 = 2,090.80/x
  3. Step 3: Cross multiply
    5,376.96x = 8,065.60 × 2,090.80
  4. Step 4: Simplify right side
    5,376.96x = 16,863,556.48
  5. Step 5: Solve for x
    x = 16,863,556.48/5,376.96
  6. Step 6: Final answer
    x = 3,136.26

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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.