Home / 5,410.53-8,115.39-1,514.79

Finding the Fourth Proportional to 5,410.53, 8,115.39 and 1,514.79

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Solution

The fourth proportional to 5,410.53, 8,115.39 and 1,514.79 is: 2,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.53 : 8,115.39 = 1,514.79 : x
  2. Step 2: Convert to fraction form
    5,410.53/8,115.39 = 1,514.79/x
  3. Step 3: Cross multiply
    5,410.53x = 8,115.39 × 1,514.79
  4. Step 4: Simplify right side
    5,410.53x = 12,293,111.62
  5. Step 5: Solve for x
    x = 12,293,111.62/5,410.53
  6. Step 6: Final answer
    x = 2,272.07

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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.