Home / 4,215.24-6,322.56-1,293.39

Finding the Fourth Proportional to 4,215.24, 6,322.56 and 1,293.39

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Solution

The fourth proportional to 4,215.24, 6,322.56 and 1,293.39 is: 1,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.24 : 6,322.56 = 1,293.39 : x
  2. Step 2: Convert to fraction form
    4,215.24/6,322.56 = 1,293.39/x
  3. Step 3: Cross multiply
    4,215.24x = 6,322.56 × 1,293.39
  4. Step 4: Simplify right side
    4,215.24x = 8,177,535.88
  5. Step 5: Solve for x
    x = 8,177,535.88/4,215.24
  6. Step 6: Final answer
    x = 1,939.99

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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.