Home / 5,291.36-7,936.44-1,342.60

Finding the Fourth Proportional to 5,291.36, 7,936.44 and 1,342.60

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Solution

The fourth proportional to 5,291.36, 7,936.44 and 1,342.60 is: 2,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.36 : 7,936.44 = 1,342.60 : x
  2. Step 2: Convert to fraction form
    5,291.36/7,936.44 = 1,342.60/x
  3. Step 3: Cross multiply
    5,291.36x = 7,936.44 × 1,342.60
  4. Step 4: Simplify right side
    5,291.36x = 10,655,464.34
  5. Step 5: Solve for x
    x = 10,655,464.34/5,291.36
  6. Step 6: Final answer
    x = 2,013.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.