Home / 7,383.66-11,077.31-2,189.53

Finding the Fourth Proportional to 7,383.66, 11,077.31 and 2,189.53

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Solution

The fourth proportional to 7,383.66, 11,077.31 and 2,189.53 is: 3,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.66 : 11,077.31 = 2,189.53 : x
  2. Step 2: Convert to fraction form
    7,383.66/11,077.31 = 2,189.53/x
  3. Step 3: Cross multiply
    7,383.66x = 11,077.31 × 2,189.53
  4. Step 4: Simplify right side
    7,383.66x = 24,254,109.57
  5. Step 5: Solve for x
    x = 24,254,109.57/7,383.66
  6. Step 6: Final answer
    x = 3,284.84

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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.