Home / 4,112.18-6,166.40-1,189.80

Finding the Fourth Proportional to 4,112.18, 6,166.40 and 1,189.80

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Solution

The fourth proportional to 4,112.18, 6,166.40 and 1,189.80 is: 1,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.18 : 6,166.40 = 1,189.80 : x
  2. Step 2: Convert to fraction form
    4,112.18/6,166.40 = 1,189.80/x
  3. Step 3: Cross multiply
    4,112.18x = 6,166.40 × 1,189.80
  4. Step 4: Simplify right side
    4,112.18x = 7,336,782.72
  5. Step 5: Solve for x
    x = 7,336,782.72/4,112.18
  6. Step 6: Final answer
    x = 1,784.16

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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.