Home / 6,389.67-9,581.77-2,228.45

Finding the Fourth Proportional to 6,389.67, 9,581.77 and 2,228.45

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Solution

The fourth proportional to 6,389.67, 9,581.77 and 2,228.45 is: 3,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.67 : 9,581.77 = 2,228.45 : x
  2. Step 2: Convert to fraction form
    6,389.67/9,581.77 = 2,228.45/x
  3. Step 3: Cross multiply
    6,389.67x = 9,581.77 × 2,228.45
  4. Step 4: Simplify right side
    6,389.67x = 21,352,450.23
  5. Step 5: Solve for x
    x = 21,352,450.23/6,389.67
  6. Step 6: Final answer
    x = 3,341.71

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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.