Home / 5,412.75-8,119.35-1,714.89

Finding the Fourth Proportional to 5,412.75, 8,119.35 and 1,714.89

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Solution

The fourth proportional to 5,412.75, 8,119.35 and 1,714.89 is: 2,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.75 : 8,119.35 = 1,714.89 : x
  2. Step 2: Convert to fraction form
    5,412.75/8,119.35 = 1,714.89/x
  3. Step 3: Cross multiply
    5,412.75x = 8,119.35 × 1,714.89
  4. Step 4: Simplify right side
    5,412.75x = 13,923,822.57
  5. Step 5: Solve for x
    x = 13,923,822.57/5,412.75
  6. Step 6: Final answer
    x = 2,572.41

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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.