Home / 5,309.14-7,963.69-1,360.39

Finding the Fourth Proportional to 5,309.14, 7,963.69 and 1,360.39

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Solution

The fourth proportional to 5,309.14, 7,963.69 and 1,360.39 is: 2,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.14 : 7,963.69 = 1,360.39 : x
  2. Step 2: Convert to fraction form
    5,309.14/7,963.69 = 1,360.39/x
  3. Step 3: Cross multiply
    5,309.14x = 7,963.69 × 1,360.39
  4. Step 4: Simplify right side
    5,309.14x = 10,833,724.24
  5. Step 5: Solve for x
    x = 10,833,724.24/5,309.14
  6. Step 6: Final answer
    x = 2,040.58

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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.