Home / 4,997.79-6,896.08-2,872.82

Finding the Fourth Proportional to 4,997.79, 6,896.08 and 2,872.82

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Solution

The fourth proportional to 4,997.79, 6,896.08 and 2,872.82 is: 3,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.79 : 6,896.08 = 2,872.82 : x
  2. Step 2: Convert to fraction form
    4,997.79/6,896.08 = 2,872.82/x
  3. Step 3: Cross multiply
    4,997.79x = 6,896.08 × 2,872.82
  4. Step 4: Simplify right side
    4,997.79x = 19,811,196.55
  5. Step 5: Solve for x
    x = 19,811,196.55/4,997.79
  6. Step 6: Final answer
    x = 3,963.99

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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.