Home / 6,582.92-9,878.70-3,120.44

Finding the Fourth Proportional to 6,582.92, 9,878.70 and 3,120.44

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Solution

The fourth proportional to 6,582.92, 9,878.70 and 3,120.44 is: 4,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,582.92 : 9,878.70 = 3,120.44 : x
  2. Step 2: Convert to fraction form
    6,582.92/9,878.70 = 3,120.44/x
  3. Step 3: Cross multiply
    6,582.92x = 9,878.70 × 3,120.44
  4. Step 4: Simplify right side
    6,582.92x = 30,825,890.63
  5. Step 5: Solve for x
    x = 30,825,890.63/6,582.92
  6. Step 6: Final answer
    x = 4,682.71

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1.5x scale

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.