Home / 4,215.26-6,322.64-1,293.56

Finding the Fourth Proportional to 4,215.26, 6,322.64 and 1,293.56

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Solution

The fourth proportional to 4,215.26, 6,322.64 and 1,293.56 is: 1,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.26 : 6,322.64 = 1,293.56 : x
  2. Step 2: Convert to fraction form
    4,215.26/6,322.64 = 1,293.56/x
  3. Step 3: Cross multiply
    4,215.26x = 6,322.64 × 1,293.56
  4. Step 4: Simplify right side
    4,215.26x = 8,178,685.82
  5. Step 5: Solve for x
    x = 8,178,685.82/4,215.26
  6. Step 6: Final answer
    x = 1,940.26

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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.