Home / 4,021.74-6,034.53-1,425.90

Finding the Fourth Proportional to 4,021.74, 6,034.53 and 1,425.90

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Solution

The fourth proportional to 4,021.74, 6,034.53 and 1,425.90 is: 2,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.74 : 6,034.53 = 1,425.90 : x
  2. Step 2: Convert to fraction form
    4,021.74/6,034.53 = 1,425.90/x
  3. Step 3: Cross multiply
    4,021.74x = 6,034.53 × 1,425.90
  4. Step 4: Simplify right side
    4,021.74x = 8,604,636.33
  5. Step 5: Solve for x
    x = 8,604,636.33/4,021.74
  6. Step 6: Final answer
    x = 2,139.53

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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.