Home / 5,514.85-8,270.49-1,816.21

Finding the Fourth Proportional to 5,514.85, 8,270.49 and 1,816.21

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Solution

The fourth proportional to 5,514.85, 8,270.49 and 1,816.21 is: 2,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.85 : 8,270.49 = 1,816.21 : x
  2. Step 2: Convert to fraction form
    5,514.85/8,270.49 = 1,816.21/x
  3. Step 3: Cross multiply
    5,514.85x = 8,270.49 × 1,816.21
  4. Step 4: Simplify right side
    5,514.85x = 15,020,946.64
  5. Step 5: Solve for x
    x = 15,020,946.64/5,514.85
  6. Step 6: Final answer
    x = 2,723.73

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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.