Home / 5,267.84-7,917.75-3,519.05

Finding the Fourth Proportional to 5,267.84, 7,917.75 and 3,519.05

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Solution

The fourth proportional to 5,267.84, 7,917.75 and 3,519.05 is: 5,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.84 : 7,917.75 = 3,519.05 : x
  2. Step 2: Convert to fraction form
    5,267.84/7,917.75 = 3,519.05/x
  3. Step 3: Cross multiply
    5,267.84x = 7,917.75 × 3,519.05
  4. Step 4: Simplify right side
    5,267.84x = 27,862,918.55
  5. Step 5: Solve for x
    x = 27,862,918.55/5,267.84
  6. Step 6: Final answer
    x = 5,289.25

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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.