Home / 5,208.96-7,816.68-2,289.72

Finding the Fourth Proportional to 5,208.96, 7,816.68 and 2,289.72

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Solution

The fourth proportional to 5,208.96, 7,816.68 and 2,289.72 is: 3,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.96 : 7,816.68 = 2,289.72 : x
  2. Step 2: Convert to fraction form
    5,208.96/7,816.68 = 2,289.72/x
  3. Step 3: Cross multiply
    5,208.96x = 7,816.68 × 2,289.72
  4. Step 4: Simplify right side
    5,208.96x = 17,898,008.53
  5. Step 5: Solve for x
    x = 17,898,008.53/5,208.96
  6. Step 6: Final answer
    x = 3,436.00

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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.