Home / 6,980.60-9,633.33-3,996.69

Finding the Fourth Proportional to 6,980.60, 9,633.33 and 3,996.69

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Solution

The fourth proportional to 6,980.60, 9,633.33 and 3,996.69 is: 5,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.60 : 9,633.33 = 3,996.69 : x
  2. Step 2: Convert to fraction form
    6,980.60/9,633.33 = 3,996.69/x
  3. Step 3: Cross multiply
    6,980.60x = 9,633.33 × 3,996.69
  4. Step 4: Simplify right side
    6,980.60x = 38,501,433.68
  5. Step 5: Solve for x
    x = 38,501,433.68/6,980.60
  6. Step 6: Final answer
    x = 5,515.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.