Home / 4,012.78-6,021.33-1,674.40

Finding the Fourth Proportional to 4,012.78, 6,021.33 and 1,674.40

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Solution

The fourth proportional to 4,012.78, 6,021.33 and 1,674.40 is: 2,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.78 : 6,021.33 = 1,674.40 : x
  2. Step 2: Convert to fraction form
    4,012.78/6,021.33 = 1,674.40/x
  3. Step 3: Cross multiply
    4,012.78x = 6,021.33 × 1,674.40
  4. Step 4: Simplify right side
    4,012.78x = 10,082,114.95
  5. Step 5: Solve for x
    x = 10,082,114.95/4,012.78
  6. Step 6: Final answer
    x = 2,512.50

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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.