Home / 4,920.67-7,382.31-2,836.92

Finding the Fourth Proportional to 4,920.67, 7,382.31 and 2,836.92

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Solution

The fourth proportional to 4,920.67, 7,382.31 and 2,836.92 is: 4,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.67 : 7,382.31 = 2,836.92 : x
  2. Step 2: Convert to fraction form
    4,920.67/7,382.31 = 2,836.92/x
  3. Step 3: Cross multiply
    4,920.67x = 7,382.31 × 2,836.92
  4. Step 4: Simplify right side
    4,920.67x = 20,943,022.89
  5. Step 5: Solve for x
    x = 20,943,022.89/4,920.67
  6. Step 6: Final answer
    x = 4,256.13

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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.