Home / 4,744.82-7,116.40-1,281.26

Finding the Fourth Proportional to 4,744.82, 7,116.40 and 1,281.26

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Solution

The fourth proportional to 4,744.82, 7,116.40 and 1,281.26 is: 1,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.82 : 7,116.40 = 1,281.26 : x
  2. Step 2: Convert to fraction form
    4,744.82/7,116.40 = 1,281.26/x
  3. Step 3: Cross multiply
    4,744.82x = 7,116.40 × 1,281.26
  4. Step 4: Simplify right side
    4,744.82x = 9,117,958.66
  5. Step 5: Solve for x
    x = 9,117,958.66/4,744.82
  6. Step 6: Final answer
    x = 1,921.67

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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.