Home / 7,849.11-10,831.80-4,491.98

Finding the Fourth Proportional to 7,849.11, 10,831.80 and 4,491.98

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Solution

The fourth proportional to 7,849.11, 10,831.80 and 4,491.98 is: 6,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.11 : 10,831.80 = 4,491.98 : x
  2. Step 2: Convert to fraction form
    7,849.11/10,831.80 = 4,491.98/x
  3. Step 3: Cross multiply
    7,849.11x = 10,831.80 × 4,491.98
  4. Step 4: Simplify right side
    7,849.11x = 48,656,215.83
  5. Step 5: Solve for x
    x = 48,656,215.83/7,849.11
  6. Step 6: Final answer
    x = 6,198.95

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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.