Home / 4,790.29-7,185.57-3,210.25

Finding the Fourth Proportional to 4,790.29, 7,185.57 and 3,210.25

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Solution

The fourth proportional to 4,790.29, 7,185.57 and 3,210.25 is: 4,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.29 : 7,185.57 = 3,210.25 : x
  2. Step 2: Convert to fraction form
    4,790.29/7,185.57 = 3,210.25/x
  3. Step 3: Cross multiply
    4,790.29x = 7,185.57 × 3,210.25
  4. Step 4: Simplify right side
    4,790.29x = 23,067,476.09
  5. Step 5: Solve for x
    x = 23,067,476.09/4,790.29
  6. Step 6: Final answer
    x = 4,815.47

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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.