Home / 5,209.56-7,816.16-2,287.48

Finding the Fourth Proportional to 5,209.56, 7,816.16 and 2,287.48

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Solution

The fourth proportional to 5,209.56, 7,816.16 and 2,287.48 is: 3,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.56 : 7,816.16 = 2,287.48 : x
  2. Step 2: Convert to fraction form
    5,209.56/7,816.16 = 2,287.48/x
  3. Step 3: Cross multiply
    5,209.56x = 7,816.16 × 2,287.48
  4. Step 4: Simplify right side
    5,209.56x = 17,879,309.68
  5. Step 5: Solve for x
    x = 17,879,309.68/5,209.56
  6. Step 6: Final answer
    x = 3,432.02

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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.