Home / 8,739.54-13,102.38-4,578.75

Finding the Fourth Proportional to 8,739.54, 13,102.38 and 4,578.75

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Solution

The fourth proportional to 8,739.54, 13,102.38 and 4,578.75 is: 6,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.54 : 13,102.38 = 4,578.75 : x
  2. Step 2: Convert to fraction form
    8,739.54/13,102.38 = 4,578.75/x
  3. Step 3: Cross multiply
    8,739.54x = 13,102.38 × 4,578.75
  4. Step 4: Simplify right side
    8,739.54x = 59,992,522.43
  5. Step 5: Solve for x
    x = 59,992,522.43/8,739.54
  6. Step 6: Final answer
    x = 6,864.49

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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.