Home / 5,304.56-7,319.08-3,208.64

Finding the Fourth Proportional to 5,304.56, 7,319.08 and 3,208.64

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Solution

The fourth proportional to 5,304.56, 7,319.08 and 3,208.64 is: 4,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.56 : 7,319.08 = 3,208.64 : x
  2. Step 2: Convert to fraction form
    5,304.56/7,319.08 = 3,208.64/x
  3. Step 3: Cross multiply
    5,304.56x = 7,319.08 × 3,208.64
  4. Step 4: Simplify right side
    5,304.56x = 23,484,292.85
  5. Step 5: Solve for x
    x = 23,484,292.85/5,304.56
  6. Step 6: Final answer
    x = 4,427.19

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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.