Home / 4,813.72-6,643.04-2,825.71

Finding the Fourth Proportional to 4,813.72, 6,643.04 and 2,825.71

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Solution

The fourth proportional to 4,813.72, 6,643.04 and 2,825.71 is: 3,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.72 : 6,643.04 = 2,825.71 : x
  2. Step 2: Convert to fraction form
    4,813.72/6,643.04 = 2,825.71/x
  3. Step 3: Cross multiply
    4,813.72x = 6,643.04 × 2,825.71
  4. Step 4: Simplify right side
    4,813.72x = 18,771,304.56
  5. Step 5: Solve for x
    x = 18,771,304.56/4,813.72
  6. Step 6: Final answer
    x = 3,899.54

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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.