Home / 4,964.36-7,430.56-2,621.03

Finding the Fourth Proportional to 4,964.36, 7,430.56 and 2,621.03

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Solution

The fourth proportional to 4,964.36, 7,430.56 and 2,621.03 is: 3,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.36 : 7,430.56 = 2,621.03 : x
  2. Step 2: Convert to fraction form
    4,964.36/7,430.56 = 2,621.03/x
  3. Step 3: Cross multiply
    4,964.36x = 7,430.56 × 2,621.03
  4. Step 4: Simplify right side
    4,964.36x = 19,475,720.68
  5. Step 5: Solve for x
    x = 19,475,720.68/4,964.36
  6. Step 6: Final answer
    x = 3,923.11

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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.