Home / 5,514.08-8,269.34-1,815.42

Finding the Fourth Proportional to 5,514.08, 8,269.34 and 1,815.42

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Solution

The fourth proportional to 5,514.08, 8,269.34 and 1,815.42 is: 2,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.08 : 8,269.34 = 1,815.42 : x
  2. Step 2: Convert to fraction form
    5,514.08/8,269.34 = 1,815.42/x
  3. Step 3: Cross multiply
    5,514.08x = 8,269.34 × 1,815.42
  4. Step 4: Simplify right side
    5,514.08x = 15,012,347.16
  5. Step 5: Solve for x
    x = 15,012,347.16/5,514.08
  6. Step 6: Final answer
    x = 2,722.55

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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.