Home / 4,813.89-6,641.31-2,823.72

Finding the Fourth Proportional to 4,813.89, 6,641.31 and 2,823.72

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Solution

The fourth proportional to 4,813.89, 6,641.31 and 2,823.72 is: 3,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.89 : 6,641.31 = 2,823.72 : x
  2. Step 2: Convert to fraction form
    4,813.89/6,641.31 = 2,823.72/x
  3. Step 3: Cross multiply
    4,813.89x = 6,641.31 × 2,823.72
  4. Step 4: Simplify right side
    4,813.89x = 18,753,185.75
  5. Step 5: Solve for x
    x = 18,753,185.75/4,813.89
  6. Step 6: Final answer
    x = 3,895.64

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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.