Home / 5,170.07-7,748.92-1,881.37

Finding the Fourth Proportional to 5,170.07, 7,748.92 and 1,881.37

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Solution

The fourth proportional to 5,170.07, 7,748.92 and 1,881.37 is: 2,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.07 : 7,748.92 = 1,881.37 : x
  2. Step 2: Convert to fraction form
    5,170.07/7,748.92 = 1,881.37/x
  3. Step 3: Cross multiply
    5,170.07x = 7,748.92 × 1,881.37
  4. Step 4: Simplify right side
    5,170.07x = 14,578,537.47
  5. Step 5: Solve for x
    x = 14,578,537.47/5,170.07
  6. Step 6: Final answer
    x = 2,819.80

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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.