Home / 5,724.86-8,579.78-4,148.87

Finding the Fourth Proportional to 5,724.86, 8,579.78 and 4,148.87

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Solution

The fourth proportional to 5,724.86, 8,579.78 and 4,148.87 is: 6,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.86 : 8,579.78 = 4,148.87 : x
  2. Step 2: Convert to fraction form
    5,724.86/8,579.78 = 4,148.87/x
  3. Step 3: Cross multiply
    5,724.86x = 8,579.78 × 4,148.87
  4. Step 4: Simplify right side
    5,724.86x = 35,596,408.11
  5. Step 5: Solve for x
    x = 35,596,408.11/5,724.86
  6. Step 6: Final answer
    x = 6,217.86

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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.