Home / 4,582.76-6,874.92-1,620.38

Finding the Fourth Proportional to 4,582.76, 6,874.92 and 1,620.38

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Solution

The fourth proportional to 4,582.76, 6,874.92 and 1,620.38 is: 2,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.76 : 6,874.92 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    4,582.76/6,874.92 = 1,620.38/x
  3. Step 3: Cross multiply
    4,582.76x = 6,874.92 × 1,620.38
  4. Step 4: Simplify right side
    4,582.76x = 11,139,982.87
  5. Step 5: Solve for x
    x = 11,139,982.87/4,582.76
  6. Step 6: Final answer
    x = 2,430.85

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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.