Home / 6,984.60-10,476.99-1,790.34

Finding the Fourth Proportional to 6,984.60, 10,476.99 and 1,790.34

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Solution

The fourth proportional to 6,984.60, 10,476.99 and 1,790.34 is: 2,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.60 : 10,476.99 = 1,790.34 : x
  2. Step 2: Convert to fraction form
    6,984.60/10,476.99 = 1,790.34/x
  3. Step 3: Cross multiply
    6,984.60x = 10,476.99 × 1,790.34
  4. Step 4: Simplify right side
    6,984.60x = 18,757,374.28
  5. Step 5: Solve for x
    x = 18,757,374.28/6,984.60
  6. Step 6: Final answer
    x = 2,685.53

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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.