Home / 5,308.36-7,325.64-2,918.45

Finding the Fourth Proportional to 5,308.36, 7,325.64 and 2,918.45

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Solution

The fourth proportional to 5,308.36, 7,325.64 and 2,918.45 is: 4,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.36 : 7,325.64 = 2,918.45 : x
  2. Step 2: Convert to fraction form
    5,308.36/7,325.64 = 2,918.45/x
  3. Step 3: Cross multiply
    5,308.36x = 7,325.64 × 2,918.45
  4. Step 4: Simplify right side
    5,308.36x = 21,379,532.37
  5. Step 5: Solve for x
    x = 21,379,532.37/5,308.36
  6. Step 6: Final answer
    x = 4,027.52

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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.