Home / 6,990.21-10,487.06-2,059.84

Finding the Fourth Proportional to 6,990.21, 10,487.06 and 2,059.84

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Solution

The fourth proportional to 6,990.21, 10,487.06 and 2,059.84 is: 3,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.21 : 10,487.06 = 2,059.84 : x
  2. Step 2: Convert to fraction form
    6,990.21/10,487.06 = 2,059.84/x
  3. Step 3: Cross multiply
    6,990.21x = 10,487.06 × 2,059.84
  4. Step 4: Simplify right side
    6,990.21x = 21,601,665.67
  5. Step 5: Solve for x
    x = 21,601,665.67/6,990.21
  6. Step 6: Final answer
    x = 3,090.27

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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.