Home / 4,009.11-6,013.63-1,378.45

Finding the Fourth Proportional to 4,009.11, 6,013.63 and 1,378.45

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Solution

The fourth proportional to 4,009.11, 6,013.63 and 1,378.45 is: 2,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.11 : 6,013.63 = 1,378.45 : x
  2. Step 2: Convert to fraction form
    4,009.11/6,013.63 = 1,378.45/x
  3. Step 3: Cross multiply
    4,009.11x = 6,013.63 × 1,378.45
  4. Step 4: Simplify right side
    4,009.11x = 8,289,488.27
  5. Step 5: Solve for x
    x = 8,289,488.27/4,009.11
  6. Step 6: Final answer
    x = 2,067.66

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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.