Home / 6,441.27-9,663.75-3,155.33

Finding the Fourth Proportional to 6,441.27, 9,663.75 and 3,155.33

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Solution

The fourth proportional to 6,441.27, 9,663.75 and 3,155.33 is: 4,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.27 : 9,663.75 = 3,155.33 : x
  2. Step 2: Convert to fraction form
    6,441.27/9,663.75 = 3,155.33/x
  3. Step 3: Cross multiply
    6,441.27x = 9,663.75 × 3,155.33
  4. Step 4: Simplify right side
    6,441.27x = 30,492,271.97
  5. Step 5: Solve for x
    x = 30,492,271.97/6,441.27
  6. Step 6: Final answer
    x = 4,733.89

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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.