Home / 4,114.50-6,171.74-1,192.80

Finding the Fourth Proportional to 4,114.50, 6,171.74 and 1,192.80

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Solution

The fourth proportional to 4,114.50, 6,171.74 and 1,192.80 is: 1,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.50 : 6,171.74 = 1,192.80 : x
  2. Step 2: Convert to fraction form
    4,114.50/6,171.74 = 1,192.80/x
  3. Step 3: Cross multiply
    4,114.50x = 6,171.74 × 1,192.80
  4. Step 4: Simplify right side
    4,114.50x = 7,361,645.51
  5. Step 5: Solve for x
    x = 7,361,645.51/4,114.50
  6. Step 6: Final answer
    x = 1,789.20

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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.