Home / 7,207.02-10,815.38-2,823.92

Finding the Fourth Proportional to 7,207.02, 10,815.38 and 2,823.92

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Solution

The fourth proportional to 7,207.02, 10,815.38 and 2,823.92 is: 4,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.02 : 10,815.38 = 2,823.92 : x
  2. Step 2: Convert to fraction form
    7,207.02/10,815.38 = 2,823.92/x
  3. Step 3: Cross multiply
    7,207.02x = 10,815.38 × 2,823.92
  4. Step 4: Simplify right side
    7,207.02x = 30,541,767.89
  5. Step 5: Solve for x
    x = 30,541,767.89/7,207.02
  6. Step 6: Final answer
    x = 4,237.78

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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.