Home / 4,902.10-7,367.55-4,815.70

Finding the Fourth Proportional to 4,902.10, 7,367.55 and 4,815.70

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Solution

The fourth proportional to 4,902.10, 7,367.55 and 4,815.70 is: 7,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.10 : 7,367.55 = 4,815.70 : x
  2. Step 2: Convert to fraction form
    4,902.10/7,367.55 = 4,815.70/x
  3. Step 3: Cross multiply
    4,902.10x = 7,367.55 × 4,815.70
  4. Step 4: Simplify right side
    4,902.10x = 35,479,910.54
  5. Step 5: Solve for x
    x = 35,479,910.54/4,902.10
  6. Step 6: Final answer
    x = 7,237.70

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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.