Home / 9,067.71-12,511.36-5,289.37

Finding the Fourth Proportional to 9,067.71, 12,511.36 and 5,289.37

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Solution

The fourth proportional to 9,067.71, 12,511.36 and 5,289.37 is: 7,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.71 : 12,511.36 = 5,289.37 : x
  2. Step 2: Convert to fraction form
    9,067.71/12,511.36 = 5,289.37/x
  3. Step 3: Cross multiply
    9,067.71x = 12,511.36 × 5,289.37
  4. Step 4: Simplify right side
    9,067.71x = 66,177,187.58
  5. Step 5: Solve for x
    x = 66,177,187.58/9,067.71
  6. Step 6: Final answer
    x = 7,298.11

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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.