Home / 4,010.72-6,015.47-1,378.62

Finding the Fourth Proportional to 4,010.72, 6,015.47 and 1,378.62

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Solution

The fourth proportional to 4,010.72, 6,015.47 and 1,378.62 is: 2,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010.72 : 6,015.47 = 1,378.62 : x
  2. Step 2: Convert to fraction form
    4,010.72/6,015.47 = 1,378.62/x
  3. Step 3: Cross multiply
    4,010.72x = 6,015.47 × 1,378.62
  4. Step 4: Simplify right side
    4,010.72x = 8,293,040.36
  5. Step 5: Solve for x
    x = 8,293,040.36/4,010.72
  6. Step 6: Final answer
    x = 2,067.72

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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.