Home / 4,830.28-6,665.37-2,813.38

Finding the Fourth Proportional to 4,830.28, 6,665.37 and 2,813.38

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Solution

The fourth proportional to 4,830.28, 6,665.37 and 2,813.38 is: 3,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.28 : 6,665.37 = 2,813.38 : x
  2. Step 2: Convert to fraction form
    4,830.28/6,665.37 = 2,813.38/x
  3. Step 3: Cross multiply
    4,830.28x = 6,665.37 × 2,813.38
  4. Step 4: Simplify right side
    4,830.28x = 18,752,218.65
  5. Step 5: Solve for x
    x = 18,752,218.65/4,830.28
  6. Step 6: Final answer
    x = 3,882.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.