Home / 7,818.05-11,727.69-2,271.49

Finding the Fourth Proportional to 7,818.05, 11,727.69 and 2,271.49

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Solution

The fourth proportional to 7,818.05, 11,727.69 and 2,271.49 is: 3,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.05 : 11,727.69 = 2,271.49 : x
  2. Step 2: Convert to fraction form
    7,818.05/11,727.69 = 2,271.49/x
  3. Step 3: Cross multiply
    7,818.05x = 11,727.69 × 2,271.49
  4. Step 4: Simplify right side
    7,818.05x = 26,639,330.56
  5. Step 5: Solve for x
    x = 26,639,330.56/7,818.05
  6. Step 6: Final answer
    x = 3,407.41

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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.