Home / 6,989.44-10,482.03-1,992.23

Finding the Fourth Proportional to 6,989.44, 10,482.03 and 1,992.23

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Solution

The fourth proportional to 6,989.44, 10,482.03 and 1,992.23 is: 2,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.44 : 10,482.03 = 1,992.23 : x
  2. Step 2: Convert to fraction form
    6,989.44/10,482.03 = 1,992.23/x
  3. Step 3: Cross multiply
    6,989.44x = 10,482.03 × 1,992.23
  4. Step 4: Simplify right side
    6,989.44x = 20,882,614.63
  5. Step 5: Solve for x
    x = 20,882,614.63/6,989.44
  6. Step 6: Final answer
    x = 2,987.74

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Half scale
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Double scale
Find fourth proportional to 6,990.44, 10,483.53 and 1,993.23
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.