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Finding the Fourth Proportional to 5,223.56, 7,208.98 and 2,866.16

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Solution

The fourth proportional to 5,223.56, 7,208.98 and 2,866.16 is: 3,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.56 : 7,208.98 = 2,866.16 : x
  2. Step 2: Convert to fraction form
    5,223.56/7,208.98 = 2,866.16/x
  3. Step 3: Cross multiply
    5,223.56x = 7,208.98 × 2,866.16
  4. Step 4: Simplify right side
    5,223.56x = 20,662,090.12
  5. Step 5: Solve for x
    x = 20,662,090.12/5,223.56
  6. Step 6: Final answer
    x = 3,955.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.