Home / 7,051.68-10,579.05-2,120.94

Finding the Fourth Proportional to 7,051.68, 10,579.05 and 2,120.94

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Solution

The fourth proportional to 7,051.68, 10,579.05 and 2,120.94 is: 3,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.68 : 10,579.05 = 2,120.94 : x
  2. Step 2: Convert to fraction form
    7,051.68/10,579.05 = 2,120.94/x
  3. Step 3: Cross multiply
    7,051.68x = 10,579.05 × 2,120.94
  4. Step 4: Simplify right side
    7,051.68x = 22,437,530.31
  5. Step 5: Solve for x
    x = 22,437,530.31/7,051.68
  6. Step 6: Final answer
    x = 3,181.87

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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.