Home / 7,383.42-11,079.27-3,920.58

Finding the Fourth Proportional to 7,383.42, 11,079.27 and 3,920.58

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Solution

The fourth proportional to 7,383.42, 11,079.27 and 3,920.58 is: 5,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.42 : 11,079.27 = 3,920.58 : x
  2. Step 2: Convert to fraction form
    7,383.42/11,079.27 = 3,920.58/x
  3. Step 3: Cross multiply
    7,383.42x = 11,079.27 × 3,920.58
  4. Step 4: Simplify right side
    7,383.42x = 43,437,164.38
  5. Step 5: Solve for x
    x = 43,437,164.38/7,383.42
  6. Step 6: Final answer
    x = 5,883.07

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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.