Home / 7,141.82-10,714.55-2,983.68

Finding the Fourth Proportional to 7,141.82, 10,714.55 and 2,983.68

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Solution

The fourth proportional to 7,141.82, 10,714.55 and 2,983.68 is: 4,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.82 : 10,714.55 = 2,983.68 : x
  2. Step 2: Convert to fraction form
    7,141.82/10,714.55 = 2,983.68/x
  3. Step 3: Cross multiply
    7,141.82x = 10,714.55 × 2,983.68
  4. Step 4: Simplify right side
    7,141.82x = 31,968,773.63
  5. Step 5: Solve for x
    x = 31,968,773.63/7,141.82
  6. Step 6: Final answer
    x = 4,476.28

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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.