Home / 5,287.07-7,923.60-2,816.57

Finding the Fourth Proportional to 5,287.07, 7,923.60 and 2,816.57

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Solution

The fourth proportional to 5,287.07, 7,923.60 and 2,816.57 is: 4,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.07 : 7,923.60 = 2,816.57 : x
  2. Step 2: Convert to fraction form
    5,287.07/7,923.60 = 2,816.57/x
  3. Step 3: Cross multiply
    5,287.07x = 7,923.60 × 2,816.57
  4. Step 4: Simplify right side
    5,287.07x = 22,317,334.43
  5. Step 5: Solve for x
    x = 22,317,334.43/5,287.07
  6. Step 6: Final answer
    x = 4,221.12

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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.