Home / 9,386.24-14,079.83-2,811.80

Finding the Fourth Proportional to 9,386.24, 14,079.83 and 2,811.80

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Solution

The fourth proportional to 9,386.24, 14,079.83 and 2,811.80 is: 4,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.24 : 14,079.83 = 2,811.80 : x
  2. Step 2: Convert to fraction form
    9,386.24/14,079.83 = 2,811.80/x
  3. Step 3: Cross multiply
    9,386.24x = 14,079.83 × 2,811.80
  4. Step 4: Simplify right side
    9,386.24x = 39,589,658.96
  5. Step 5: Solve for x
    x = 39,589,658.96/9,386.24
  6. Step 6: Final answer
    x = 4,217.84

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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.