Home / 5,223.21-7,208.01-2,865.36

Finding the Fourth Proportional to 5,223.21, 7,208.01 and 2,865.36

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Solution

The fourth proportional to 5,223.21, 7,208.01 and 2,865.36 is: 3,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.21 : 7,208.01 = 2,865.36 : x
  2. Step 2: Convert to fraction form
    5,223.21/7,208.01 = 2,865.36/x
  3. Step 3: Cross multiply
    5,223.21x = 7,208.01 × 2,865.36
  4. Step 4: Simplify right side
    5,223.21x = 20,653,543.53
  5. Step 5: Solve for x
    x = 20,653,543.53/5,223.21
  6. Step 6: Final answer
    x = 3,954.19

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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.