Home / 5,166.68-7,131.31-2,929.89

Finding the Fourth Proportional to 5,166.68, 7,131.31 and 2,929.89

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Solution

The fourth proportional to 5,166.68, 7,131.31 and 2,929.89 is: 4,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.68 : 7,131.31 = 2,929.89 : x
  2. Step 2: Convert to fraction form
    5,166.68/7,131.31 = 2,929.89/x
  3. Step 3: Cross multiply
    5,166.68x = 7,131.31 × 2,929.89
  4. Step 4: Simplify right side
    5,166.68x = 20,893,933.16
  5. Step 5: Solve for x
    x = 20,893,933.16/5,166.68
  6. Step 6: Final answer
    x = 4,043.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.