Home / 5,564.43-7,678.71-3,325.80

Finding the Fourth Proportional to 5,564.43, 7,678.71 and 3,325.80

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Solution

The fourth proportional to 5,564.43, 7,678.71 and 3,325.80 is: 4,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.43 : 7,678.71 = 3,325.80 : x
  2. Step 2: Convert to fraction form
    5,564.43/7,678.71 = 3,325.80/x
  3. Step 3: Cross multiply
    5,564.43x = 7,678.71 × 3,325.80
  4. Step 4: Simplify right side
    5,564.43x = 25,537,853.72
  5. Step 5: Solve for x
    x = 25,537,853.72/5,564.43
  6. Step 6: Final answer
    x = 4,589.48

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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.