Home / 6,990.23-10,485.03-1,992.62

Finding the Fourth Proportional to 6,990.23, 10,485.03 and 1,992.62

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Solution

The fourth proportional to 6,990.23, 10,485.03 and 1,992.62 is: 2,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.23 : 10,485.03 = 1,992.62 : x
  2. Step 2: Convert to fraction form
    6,990.23/10,485.03 = 1,992.62/x
  3. Step 3: Cross multiply
    6,990.23x = 10,485.03 × 1,992.62
  4. Step 4: Simplify right side
    6,990.23x = 20,892,680.48
  5. Step 5: Solve for x
    x = 20,892,680.48/6,990.23
  6. Step 6: Final answer
    x = 2,988.84

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Double scale
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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.