Home / 6,391.47-9,583.56-2,493.75

Finding the Fourth Proportional to 6,391.47, 9,583.56 and 2,493.75

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Solution

The fourth proportional to 6,391.47, 9,583.56 and 2,493.75 is: 3,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.47 : 9,583.56 = 2,493.75 : x
  2. Step 2: Convert to fraction form
    6,391.47/9,583.56 = 2,493.75/x
  3. Step 3: Cross multiply
    6,391.47x = 9,583.56 × 2,493.75
  4. Step 4: Simplify right side
    6,391.47x = 23,899,002.75
  5. Step 5: Solve for x
    x = 23,899,002.75/6,391.47
  6. Step 6: Final answer
    x = 3,739.20

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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.