Home / 4,889.88-7,334.80-1,192.10

Finding the Fourth Proportional to 4,889.88, 7,334.80 and 1,192.10

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Solution

The fourth proportional to 4,889.88, 7,334.80 and 1,192.10 is: 1,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.88 : 7,334.80 = 1,192.10 : x
  2. Step 2: Convert to fraction form
    4,889.88/7,334.80 = 1,192.10/x
  3. Step 3: Cross multiply
    4,889.88x = 7,334.80 × 1,192.10
  4. Step 4: Simplify right side
    4,889.88x = 8,743,815.08
  5. Step 5: Solve for x
    x = 8,743,815.08/4,889.88
  6. Step 6: Final answer
    x = 1,788.15

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Similar ratio
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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.