Home / 4,515.21-6,770.30-1,394.34

Finding the Fourth Proportional to 4,515.21, 6,770.30 and 1,394.34

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Solution

The fourth proportional to 4,515.21, 6,770.30 and 1,394.34 is: 2,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.21 : 6,770.30 = 1,394.34 : x
  2. Step 2: Convert to fraction form
    4,515.21/6,770.30 = 1,394.34/x
  3. Step 3: Cross multiply
    4,515.21x = 6,770.30 × 1,394.34
  4. Step 4: Simplify right side
    4,515.21x = 9,440,100.10
  5. Step 5: Solve for x
    x = 9,440,100.10/4,515.21
  6. Step 6: Final answer
    x = 2,090.73

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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.