Home / 9,818.45-14,727.79-2,798.65

Finding the Fourth Proportional to 9,818.45, 14,727.79 and 2,798.65

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Solution

The fourth proportional to 9,818.45, 14,727.79 and 2,798.65 is: 4,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.45 : 14,727.79 = 2,798.65 : x
  2. Step 2: Convert to fraction form
    9,818.45/14,727.79 = 2,798.65/x
  3. Step 3: Cross multiply
    9,818.45x = 14,727.79 × 2,798.65
  4. Step 4: Simplify right side
    9,818.45x = 41,217,951.39
  5. Step 5: Solve for x
    x = 41,217,951.39/9,818.45
  6. Step 6: Final answer
    x = 4,198.01

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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.