Home / 4,714.26-7,071.40-2,119.02

Finding the Fourth Proportional to 4,714.26, 7,071.40 and 2,119.02

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Solution

The fourth proportional to 4,714.26, 7,071.40 and 2,119.02 is: 3,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.26 : 7,071.40 = 2,119.02 : x
  2. Step 2: Convert to fraction form
    4,714.26/7,071.40 = 2,119.02/x
  3. Step 3: Cross multiply
    4,714.26x = 7,071.40 × 2,119.02
  4. Step 4: Simplify right side
    4,714.26x = 14,984,438.03
  5. Step 5: Solve for x
    x = 14,984,438.03/4,714.26
  6. Step 6: Final answer
    x = 3,178.53

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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.