Home / 6,936.76-10,405.80-2,554.30

Finding the Fourth Proportional to 6,936.76, 10,405.80 and 2,554.30

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Solution

The fourth proportional to 6,936.76, 10,405.80 and 2,554.30 is: 3,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.76 : 10,405.80 = 2,554.30 : x
  2. Step 2: Convert to fraction form
    6,936.76/10,405.80 = 2,554.30/x
  3. Step 3: Cross multiply
    6,936.76x = 10,405.80 × 2,554.30
  4. Step 4: Simplify right side
    6,936.76x = 26,579,534.94
  5. Step 5: Solve for x
    x = 26,579,534.94/6,936.76
  6. Step 6: Final answer
    x = 3,831.69

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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.