Home / 4,146.13-6,218.13-1,223.75

Finding the Fourth Proportional to 4,146.13, 6,218.13 and 1,223.75

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Solution

The fourth proportional to 4,146.13, 6,218.13 and 1,223.75 is: 1,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.13 : 6,218.13 = 1,223.75 : x
  2. Step 2: Convert to fraction form
    4,146.13/6,218.13 = 1,223.75/x
  3. Step 3: Cross multiply
    4,146.13x = 6,218.13 × 1,223.75
  4. Step 4: Simplify right side
    4,146.13x = 7,609,436.59
  5. Step 5: Solve for x
    x = 7,609,436.59/4,146.13
  6. Step 6: Final answer
    x = 1,835.31

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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.