Home / 4,215.24-6,322.31-1,293.30

Finding the Fourth Proportional to 4,215.24, 6,322.31 and 1,293.30

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Solution

The fourth proportional to 4,215.24, 6,322.31 and 1,293.30 is: 1,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.24 : 6,322.31 = 1,293.30 : x
  2. Step 2: Convert to fraction form
    4,215.24/6,322.31 = 1,293.30/x
  3. Step 3: Cross multiply
    4,215.24x = 6,322.31 × 1,293.30
  4. Step 4: Simplify right side
    4,215.24x = 8,176,637.06
  5. Step 5: Solve for x
    x = 8,176,637.06/4,215.24
  6. Step 6: Final answer
    x = 1,939.78

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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.