Home / 5,223.03-7,207.79-2,865.30

Finding the Fourth Proportional to 5,223.03, 7,207.79 and 2,865.30

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Solution

The fourth proportional to 5,223.03, 7,207.79 and 2,865.30 is: 3,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.03 : 7,207.79 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    5,223.03/7,207.79 = 2,865.30/x
  3. Step 3: Cross multiply
    5,223.03x = 7,207.79 × 2,865.30
  4. Step 4: Simplify right side
    5,223.03x = 20,652,466.36
  5. Step 5: Solve for x
    x = 20,652,466.36/5,223.03
  6. Step 6: Final answer
    x = 3,954.12

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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.