Home / 5,163.60-7,739.88-2,387.04

Finding the Fourth Proportional to 5,163.60, 7,739.88 and 2,387.04

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Solution

The fourth proportional to 5,163.60, 7,739.88 and 2,387.04 is: 3,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.60 : 7,739.88 = 2,387.04 : x
  2. Step 2: Convert to fraction form
    5,163.60/7,739.88 = 2,387.04/x
  3. Step 3: Cross multiply
    5,163.60x = 7,739.88 × 2,387.04
  4. Step 4: Simplify right side
    5,163.60x = 18,475,403.16
  5. Step 5: Solve for x
    x = 18,475,403.16/5,163.60
  6. Step 6: Final answer
    x = 3,578.01

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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.