Home / 4,052.20-6,076.56-1,278.12

Finding the Fourth Proportional to 4,052.20, 6,076.56 and 1,278.12

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Solution

The fourth proportional to 4,052.20, 6,076.56 and 1,278.12 is: 1,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.20 : 6,076.56 = 1,278.12 : x
  2. Step 2: Convert to fraction form
    4,052.20/6,076.56 = 1,278.12/x
  3. Step 3: Cross multiply
    4,052.20x = 6,076.56 × 1,278.12
  4. Step 4: Simplify right side
    4,052.20x = 7,766,572.87
  5. Step 5: Solve for x
    x = 7,766,572.87/4,052.20
  6. Step 6: Final answer
    x = 1,916.63

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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.