Home / 5,117.45-7,676.64-1,829.75

Finding the Fourth Proportional to 5,117.45, 7,676.64 and 1,829.75

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Solution

The fourth proportional to 5,117.45, 7,676.64 and 1,829.75 is: 2,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.45 : 7,676.64 = 1,829.75 : x
  2. Step 2: Convert to fraction form
    5,117.45/7,676.64 = 1,829.75/x
  3. Step 3: Cross multiply
    5,117.45x = 7,676.64 × 1,829.75
  4. Step 4: Simplify right side
    5,117.45x = 14,046,332.04
  5. Step 5: Solve for x
    x = 14,046,332.04/5,117.45
  6. Step 6: Final answer
    x = 2,744.79

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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.