Home / 4,215.39-6,324.09-1,293.69

Finding the Fourth Proportional to 4,215.39, 6,324.09 and 1,293.69

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Solution

The fourth proportional to 4,215.39, 6,324.09 and 1,293.69 is: 1,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.39 : 6,324.09 = 1,293.69 : x
  2. Step 2: Convert to fraction form
    4,215.39/6,324.09 = 1,293.69/x
  3. Step 3: Cross multiply
    4,215.39x = 6,324.09 × 1,293.69
  4. Step 4: Simplify right side
    4,215.39x = 8,181,411.99
  5. Step 5: Solve for x
    x = 8,181,411.99/4,215.39
  6. Step 6: Final answer
    x = 1,940.84

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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.