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Finding the Fourth Proportional to 4,800.60, 7,194.15 and 3,815.10

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Solution

The fourth proportional to 4,800.60, 7,194.15 and 3,815.10 is: 5,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.60 : 7,194.15 = 3,815.10 : x
  2. Step 2: Convert to fraction form
    4,800.60/7,194.15 = 3,815.10/x
  3. Step 3: Cross multiply
    4,800.60x = 7,194.15 × 3,815.10
  4. Step 4: Simplify right side
    4,800.60x = 27,446,401.67
  5. Step 5: Solve for x
    x = 27,446,401.67/4,800.60
  6. Step 6: Final answer
    x = 5,717.29

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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.