Home / 4,215.34-6,322.46-1,253.73

Finding the Fourth Proportional to 4,215.34, 6,322.46 and 1,253.73

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Solution

The fourth proportional to 4,215.34, 6,322.46 and 1,253.73 is: 1,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.34 : 6,322.46 = 1,253.73 : x
  2. Step 2: Convert to fraction form
    4,215.34/6,322.46 = 1,253.73/x
  3. Step 3: Cross multiply
    4,215.34x = 6,322.46 × 1,253.73
  4. Step 4: Simplify right side
    4,215.34x = 7,926,675.22
  5. Step 5: Solve for x
    x = 7,926,675.22/4,215.34
  6. Step 6: Final answer
    x = 1,880.43

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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.