Home / 4,965.28-6,851.82-2,840.59

Finding the Fourth Proportional to 4,965.28, 6,851.82 and 2,840.59

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Solution

The fourth proportional to 4,965.28, 6,851.82 and 2,840.59 is: 3,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.28 : 6,851.82 = 2,840.59 : x
  2. Step 2: Convert to fraction form
    4,965.28/6,851.82 = 2,840.59/x
  3. Step 3: Cross multiply
    4,965.28x = 6,851.82 × 2,840.59
  4. Step 4: Simplify right side
    4,965.28x = 19,463,192.05
  5. Step 5: Solve for x
    x = 19,463,192.05/4,965.28
  6. Step 6: Final answer
    x = 3,919.86

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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.