Home / 5,218.41-7,825.03-2,582.86

Finding the Fourth Proportional to 5,218.41, 7,825.03 and 2,582.86

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Solution

The fourth proportional to 5,218.41, 7,825.03 and 2,582.86 is: 3,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.41 : 7,825.03 = 2,582.86 : x
  2. Step 2: Convert to fraction form
    5,218.41/7,825.03 = 2,582.86/x
  3. Step 3: Cross multiply
    5,218.41x = 7,825.03 × 2,582.86
  4. Step 4: Simplify right side
    5,218.41x = 20,210,956.99
  5. Step 5: Solve for x
    x = 20,210,956.99/5,218.41
  6. Step 6: Final answer
    x = 3,873.01

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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.