Home / 5,412.54-8,119.09-1,714.48

Finding the Fourth Proportional to 5,412.54, 8,119.09 and 1,714.48

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Solution

The fourth proportional to 5,412.54, 8,119.09 and 1,714.48 is: 2,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.54 : 8,119.09 = 1,714.48 : x
  2. Step 2: Convert to fraction form
    5,412.54/8,119.09 = 1,714.48/x
  3. Step 3: Cross multiply
    5,412.54x = 8,119.09 × 1,714.48
  4. Step 4: Simplify right side
    5,412.54x = 13,920,017.42
  5. Step 5: Solve for x
    x = 13,920,017.42/5,412.54
  6. Step 6: Final answer
    x = 2,571.81

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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.