Home / 5,514-8,268.96-1,815.15

Finding the Fourth Proportional to 5,514, 8,268.96 and 1,815.15

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Solution

The fourth proportional to 5,514, 8,268.96 and 1,815.15 is: 2,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514 : 8,268.96 = 1,815.15 : x
  2. Step 2: Convert to fraction form
    5,514/8,268.96 = 1,815.15/x
  3. Step 3: Cross multiply
    5,514x = 8,268.96 × 1,815.15
  4. Step 4: Simplify right side
    5,514x = 15,009,402.74
  5. Step 5: Solve for x
    x = 15,009,402.74/5,514
  6. Step 6: Final answer
    x = 2,722.05

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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.