Home / 8,260.58-12,390.75-3,874.94

Finding the Fourth Proportional to 8,260.58, 12,390.75 and 3,874.94

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Solution

The fourth proportional to 8,260.58, 12,390.75 and 3,874.94 is: 5,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.58 : 12,390.75 = 3,874.94 : x
  2. Step 2: Convert to fraction form
    8,260.58/12,390.75 = 3,874.94/x
  3. Step 3: Cross multiply
    8,260.58x = 12,390.75 × 3,874.94
  4. Step 4: Simplify right side
    8,260.58x = 48,013,350.85
  5. Step 5: Solve for x
    x = 48,013,350.85/8,260.58
  6. Step 6: Final answer
    x = 5,812.35

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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.