Home / 8,649.41-11,936.81-4,872.98

Finding the Fourth Proportional to 8,649.41, 11,936.81 and 4,872.98

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Solution

The fourth proportional to 8,649.41, 11,936.81 and 4,872.98 is: 6,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.41 : 11,936.81 = 4,872.98 : x
  2. Step 2: Convert to fraction form
    8,649.41/11,936.81 = 4,872.98/x
  3. Step 3: Cross multiply
    8,649.41x = 11,936.81 × 4,872.98
  4. Step 4: Simplify right side
    8,649.41x = 58,167,878.42
  5. Step 5: Solve for x
    x = 58,167,878.42/8,649.41
  6. Step 6: Final answer
    x = 6,725.07

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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.