Home / 9,215.37-13,823.19-2,289.87

Finding the Fourth Proportional to 9,215.37, 13,823.19 and 2,289.87

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Solution

The fourth proportional to 9,215.37, 13,823.19 and 2,289.87 is: 3,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.37 : 13,823.19 = 2,289.87 : x
  2. Step 2: Convert to fraction form
    9,215.37/13,823.19 = 2,289.87/x
  3. Step 3: Cross multiply
    9,215.37x = 13,823.19 × 2,289.87
  4. Step 4: Simplify right side
    9,215.37x = 31,653,308.09
  5. Step 5: Solve for x
    x = 31,653,308.09/9,215.37
  6. Step 6: Final answer
    x = 3,434.84

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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.