Home / 4,137.15-6,205.82-1,215.45

Finding the Fourth Proportional to 4,137.15, 6,205.82 and 1,215.45

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Solution

The fourth proportional to 4,137.15, 6,205.82 and 1,215.45 is: 1,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.15 : 6,205.82 = 1,215.45 : x
  2. Step 2: Convert to fraction form
    4,137.15/6,205.82 = 1,215.45/x
  3. Step 3: Cross multiply
    4,137.15x = 6,205.82 × 1,215.45
  4. Step 4: Simplify right side
    4,137.15x = 7,542,863.92
  5. Step 5: Solve for x
    x = 7,542,863.92/4,137.15
  6. Step 6: Final answer
    x = 1,823.20

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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.