Home / 4,160.14-6,240.46-1,238.20

Finding the Fourth Proportional to 4,160.14, 6,240.46 and 1,238.20

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Solution

The fourth proportional to 4,160.14, 6,240.46 and 1,238.20 is: 1,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.14 : 6,240.46 = 1,238.20 : x
  2. Step 2: Convert to fraction form
    4,160.14/6,240.46 = 1,238.20/x
  3. Step 3: Cross multiply
    4,160.14x = 6,240.46 × 1,238.20
  4. Step 4: Simplify right side
    4,160.14x = 7,726,937.57
  5. Step 5: Solve for x
    x = 7,726,937.57/4,160.14
  6. Step 6: Final answer
    x = 1,857.37

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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.