Home / 7,379.02-11,072.40-2,449.90

Finding the Fourth Proportional to 7,379.02, 11,072.40 and 2,449.90

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Solution

The fourth proportional to 7,379.02, 11,072.40 and 2,449.90 is: 3,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.02 : 11,072.40 = 2,449.90 : x
  2. Step 2: Convert to fraction form
    7,379.02/11,072.40 = 2,449.90/x
  3. Step 3: Cross multiply
    7,379.02x = 11,072.40 × 2,449.90
  4. Step 4: Simplify right side
    7,379.02x = 27,126,272.76
  5. Step 5: Solve for x
    x = 27,126,272.76/7,379.02
  6. Step 6: Final answer
    x = 3,676.13

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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.