Home / 7,195.08-10,798.77-2,815.61

Finding the Fourth Proportional to 7,195.08, 10,798.77 and 2,815.61

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Solution

The fourth proportional to 7,195.08, 10,798.77 and 2,815.61 is: 4,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.08 : 10,798.77 = 2,815.61 : x
  2. Step 2: Convert to fraction form
    7,195.08/10,798.77 = 2,815.61/x
  3. Step 3: Cross multiply
    7,195.08x = 10,798.77 × 2,815.61
  4. Step 4: Simplify right side
    7,195.08x = 30,405,126.27
  5. Step 5: Solve for x
    x = 30,405,126.27/7,195.08
  6. Step 6: Final answer
    x = 4,225.82

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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.