Home / 6,828.98-10,242.72-1,831.85

Finding the Fourth Proportional to 6,828.98, 10,242.72 and 1,831.85

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Solution

The fourth proportional to 6,828.98, 10,242.72 and 1,831.85 is: 2,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.98 : 10,242.72 = 1,831.85 : x
  2. Step 2: Convert to fraction form
    6,828.98/10,242.72 = 1,831.85/x
  3. Step 3: Cross multiply
    6,828.98x = 10,242.72 × 1,831.85
  4. Step 4: Simplify right side
    6,828.98x = 18,763,075.42
  5. Step 5: Solve for x
    x = 18,763,075.42/6,828.98
  6. Step 6: Final answer
    x = 2,747.57

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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.