Home / 4,152.11-6,228.90-1,378.49

Finding the Fourth Proportional to 4,152.11, 6,228.90 and 1,378.49

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Solution

The fourth proportional to 4,152.11, 6,228.90 and 1,378.49 is: 2,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.11 : 6,228.90 = 1,378.49 : x
  2. Step 2: Convert to fraction form
    4,152.11/6,228.90 = 1,378.49/x
  3. Step 3: Cross multiply
    4,152.11x = 6,228.90 × 1,378.49
  4. Step 4: Simplify right side
    4,152.11x = 8,586,476.36
  5. Step 5: Solve for x
    x = 8,586,476.36/4,152.11
  6. Step 6: Final answer
    x = 2,067.98

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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.