Home / 5,180.29-7,770.47-1,892.03

Finding the Fourth Proportional to 5,180.29, 7,770.47 and 1,892.03

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Solution

The fourth proportional to 5,180.29, 7,770.47 and 1,892.03 is: 2,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.29 : 7,770.47 = 1,892.03 : x
  2. Step 2: Convert to fraction form
    5,180.29/7,770.47 = 1,892.03/x
  3. Step 3: Cross multiply
    5,180.29x = 7,770.47 × 1,892.03
  4. Step 4: Simplify right side
    5,180.29x = 14,701,914.04
  5. Step 5: Solve for x
    x = 14,701,914.04/5,180.29
  6. Step 6: Final answer
    x = 2,838.05

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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.