Home / 4,993.44-6,885.60-4,891.20

Finding the Fourth Proportional to 4,993.44, 6,885.60 and 4,891.20

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Solution

The fourth proportional to 4,993.44, 6,885.60 and 4,891.20 is: 6,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.44 : 6,885.60 = 4,891.20 : x
  2. Step 2: Convert to fraction form
    4,993.44/6,885.60 = 4,891.20/x
  3. Step 3: Cross multiply
    4,993.44x = 6,885.60 × 4,891.20
  4. Step 4: Simplify right side
    4,993.44x = 33,678,846.72
  5. Step 5: Solve for x
    x = 33,678,846.72/4,993.44
  6. Step 6: Final answer
    x = 6,744.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.