Home / 4,215.58-6,318.44-3,172.24

Finding the Fourth Proportional to 4,215.58, 6,318.44 and 3,172.24

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Solution

The fourth proportional to 4,215.58, 6,318.44 and 3,172.24 is: 4,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.58 : 6,318.44 = 3,172.24 : x
  2. Step 2: Convert to fraction form
    4,215.58/6,318.44 = 3,172.24/x
  3. Step 3: Cross multiply
    4,215.58x = 6,318.44 × 3,172.24
  4. Step 4: Simplify right side
    4,215.58x = 20,043,560.65
  5. Step 5: Solve for x
    x = 20,043,560.65/4,215.58
  6. Step 6: Final answer
    x = 4,754.64

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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.