Home / 5,514.09-8,269.33-1,815.45

Finding the Fourth Proportional to 5,514.09, 8,269.33 and 1,815.45

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Solution

The fourth proportional to 5,514.09, 8,269.33 and 1,815.45 is: 2,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.09 : 8,269.33 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    5,514.09/8,269.33 = 1,815.45/x
  3. Step 3: Cross multiply
    5,514.09x = 8,269.33 × 1,815.45
  4. Step 4: Simplify right side
    5,514.09x = 15,012,555.15
  5. Step 5: Solve for x
    x = 15,012,555.15/5,514.09
  6. Step 6: Final answer
    x = 2,722.58

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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.