Home / 5,208.89-7,812.49-1,923.53

Finding the Fourth Proportional to 5,208.89, 7,812.49 and 1,923.53

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Solution

The fourth proportional to 5,208.89, 7,812.49 and 1,923.53 is: 2,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.89 : 7,812.49 = 1,923.53 : x
  2. Step 2: Convert to fraction form
    5,208.89/7,812.49 = 1,923.53/x
  3. Step 3: Cross multiply
    5,208.89x = 7,812.49 × 1,923.53
  4. Step 4: Simplify right side
    5,208.89x = 15,027,515.02
  5. Step 5: Solve for x
    x = 15,027,515.02/5,208.89
  6. Step 6: Final answer
    x = 2,884.98

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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.