Home / 7,115.02-10,674.06-2,185

Finding the Fourth Proportional to 7,115.02, 10,674.06 and 2,185

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Solution

The fourth proportional to 7,115.02, 10,674.06 and 2,185 is: 3,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.02 : 10,674.06 = 2,185 : x
  2. Step 2: Convert to fraction form
    7,115.02/10,674.06 = 2,185/x
  3. Step 3: Cross multiply
    7,115.02x = 10,674.06 × 2,185
  4. Step 4: Simplify right side
    7,115.02x = 23,322,821.10
  5. Step 5: Solve for x
    x = 23,322,821.10/7,115.02
  6. Step 6: Final answer
    x = 3,277.97

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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.