Home / 7,990.37-11,985.58-2,443.69

Finding the Fourth Proportional to 7,990.37, 11,985.58 and 2,443.69

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Solution

The fourth proportional to 7,990.37, 11,985.58 and 2,443.69 is: 3,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.37 : 11,985.58 = 2,443.69 : x
  2. Step 2: Convert to fraction form
    7,990.37/11,985.58 = 2,443.69/x
  3. Step 3: Cross multiply
    7,990.37x = 11,985.58 × 2,443.69
  4. Step 4: Simplify right side
    7,990.37x = 29,289,041.99
  5. Step 5: Solve for x
    x = 29,289,041.99/7,990.37
  6. Step 6: Final answer
    x = 3,665.54

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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.