Home / 4,911.73-7,367.55-1,213.99

Finding the Fourth Proportional to 4,911.73, 7,367.55 and 1,213.99

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Solution

The fourth proportional to 4,911.73, 7,367.55 and 1,213.99 is: 1,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.73 : 7,367.55 = 1,213.99 : x
  2. Step 2: Convert to fraction form
    4,911.73/7,367.55 = 1,213.99/x
  3. Step 3: Cross multiply
    4,911.73x = 7,367.55 × 1,213.99
  4. Step 4: Simplify right side
    4,911.73x = 8,944,132.02
  5. Step 5: Solve for x
    x = 8,944,132.02/4,911.73
  6. Step 6: Final answer
    x = 1,820.97

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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.