Home / 4,215.41-6,321.91-1,253.73

Finding the Fourth Proportional to 4,215.41, 6,321.91 and 1,253.73

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Solution

The fourth proportional to 4,215.41, 6,321.91 and 1,253.73 is: 1,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.41 : 6,321.91 = 1,253.73 : x
  2. Step 2: Convert to fraction form
    4,215.41/6,321.91 = 1,253.73/x
  3. Step 3: Cross multiply
    4,215.41x = 6,321.91 × 1,253.73
  4. Step 4: Simplify right side
    4,215.41x = 7,925,993.50
  5. Step 5: Solve for x
    x = 7,925,993.50/4,215.41
  6. Step 6: Final answer
    x = 1,880.24

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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.