Home / 5,302.80-7,318.44-3,208.08

Finding the Fourth Proportional to 5,302.80, 7,318.44 and 3,208.08

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Solution

The fourth proportional to 5,302.80, 7,318.44 and 3,208.08 is: 4,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.80 : 7,318.44 = 3,208.08 : x
  2. Step 2: Convert to fraction form
    5,302.80/7,318.44 = 3,208.08/x
  3. Step 3: Cross multiply
    5,302.80x = 7,318.44 × 3,208.08
  4. Step 4: Simplify right side
    5,302.80x = 23,478,141.00
  5. Step 5: Solve for x
    x = 23,478,141.00/5,302.80
  6. Step 6: Final answer
    x = 4,427.50

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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.