Home / 7,818.18-11,727.33-2,271.90

Finding the Fourth Proportional to 7,818.18, 11,727.33 and 2,271.90

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Solution

The fourth proportional to 7,818.18, 11,727.33 and 2,271.90 is: 3,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.18 : 11,727.33 = 2,271.90 : x
  2. Step 2: Convert to fraction form
    7,818.18/11,727.33 = 2,271.90/x
  3. Step 3: Cross multiply
    7,818.18x = 11,727.33 × 2,271.90
  4. Step 4: Simplify right side
    7,818.18x = 26,643,321.03
  5. Step 5: Solve for x
    x = 26,643,321.03/7,818.18
  6. Step 6: Final answer
    x = 3,407.87

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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.