Home / 5,291.39-7,933.03-2,621.36

Finding the Fourth Proportional to 5,291.39, 7,933.03 and 2,621.36

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Solution

The fourth proportional to 5,291.39, 7,933.03 and 2,621.36 is: 3,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.39 : 7,933.03 = 2,621.36 : x
  2. Step 2: Convert to fraction form
    5,291.39/7,933.03 = 2,621.36/x
  3. Step 3: Cross multiply
    5,291.39x = 7,933.03 × 2,621.36
  4. Step 4: Simplify right side
    5,291.39x = 20,795,281.30
  5. Step 5: Solve for x
    x = 20,795,281.30/5,291.39
  6. Step 6: Final answer
    x = 3,930.03

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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.