Home / 4,813.38-6,641.82-2,688.84

Finding the Fourth Proportional to 4,813.38, 6,641.82 and 2,688.84

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Solution

The fourth proportional to 4,813.38, 6,641.82 and 2,688.84 is: 3,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.38 : 6,641.82 = 2,688.84 : x
  2. Step 2: Convert to fraction form
    4,813.38/6,641.82 = 2,688.84/x
  3. Step 3: Cross multiply
    4,813.38x = 6,641.82 × 2,688.84
  4. Step 4: Simplify right side
    4,813.38x = 17,858,791.29
  5. Step 5: Solve for x
    x = 17,858,791.29/4,813.38
  6. Step 6: Final answer
    x = 3,710.24

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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.