Home / 8,649.37-11,936.13-4,872.55

Finding the Fourth Proportional to 8,649.37, 11,936.13 and 4,872.55

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Solution

The fourth proportional to 8,649.37, 11,936.13 and 4,872.55 is: 6,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.37 : 11,936.13 = 4,872.55 : x
  2. Step 2: Convert to fraction form
    8,649.37/11,936.13 = 4,872.55/x
  3. Step 3: Cross multiply
    8,649.37x = 11,936.13 × 4,872.55
  4. Step 4: Simplify right side
    8,649.37x = 58,159,390.23
  5. Step 5: Solve for x
    x = 58,159,390.23/8,649.37
  6. Step 6: Final answer
    x = 6,724.12

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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.