Home / 4,938.24-7,411.68-3,208.80

Finding the Fourth Proportional to 4,938.24, 7,411.68 and 3,208.80

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Solution

The fourth proportional to 4,938.24, 7,411.68 and 3,208.80 is: 4,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.24 : 7,411.68 = 3,208.80 : x
  2. Step 2: Convert to fraction form
    4,938.24/7,411.68 = 3,208.80/x
  3. Step 3: Cross multiply
    4,938.24x = 7,411.68 × 3,208.80
  4. Step 4: Simplify right side
    4,938.24x = 23,782,598.78
  5. Step 5: Solve for x
    x = 23,782,598.78/4,938.24
  6. Step 6: Final answer
    x = 4,816.01

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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.