Home / 4,815.15-7,222.99-1,352.13

Finding the Fourth Proportional to 4,815.15, 7,222.99 and 1,352.13

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Solution

The fourth proportional to 4,815.15, 7,222.99 and 1,352.13 is: 2,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.15 : 7,222.99 = 1,352.13 : x
  2. Step 2: Convert to fraction form
    4,815.15/7,222.99 = 1,352.13/x
  3. Step 3: Cross multiply
    4,815.15x = 7,222.99 × 1,352.13
  4. Step 4: Simplify right side
    4,815.15x = 9,766,381.97
  5. Step 5: Solve for x
    x = 9,766,381.97/4,815.15
  6. Step 6: Final answer
    x = 2,028.26

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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.