Home / 9,431.48-13,016.25-5,240

Finding the Fourth Proportional to 9,431.48, 13,016.25 and 5,240

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Solution

The fourth proportional to 9,431.48, 13,016.25 and 5,240 is: 7,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.48 : 13,016.25 = 5,240 : x
  2. Step 2: Convert to fraction form
    9,431.48/13,016.25 = 5,240/x
  3. Step 3: Cross multiply
    9,431.48x = 13,016.25 × 5,240
  4. Step 4: Simplify right side
    9,431.48x = 68,205,150
  5. Step 5: Solve for x
    x = 68,205,150/9,431.48
  6. Step 6: Final answer
    x = 7,231.65

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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.