Home / 4,160.34-6,240.49-1,238.65

Finding the Fourth Proportional to 4,160.34, 6,240.49 and 1,238.65

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Solution

The fourth proportional to 4,160.34, 6,240.49 and 1,238.65 is: 1,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.34 : 6,240.49 = 1,238.65 : x
  2. Step 2: Convert to fraction form
    4,160.34/6,240.49 = 1,238.65/x
  3. Step 3: Cross multiply
    4,160.34x = 6,240.49 × 1,238.65
  4. Step 4: Simplify right side
    4,160.34x = 7,729,782.94
  5. Step 5: Solve for x
    x = 7,729,782.94/4,160.34
  6. Step 6: Final answer
    x = 1,857.97

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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.