Home / 8,664.12-11,955.99-4,887.06

Finding the Fourth Proportional to 8,664.12, 11,955.99 and 4,887.06

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Solution

The fourth proportional to 8,664.12, 11,955.99 and 4,887.06 is: 6,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.12 : 11,955.99 = 4,887.06 : x
  2. Step 2: Convert to fraction form
    8,664.12/11,955.99 = 4,887.06/x
  3. Step 3: Cross multiply
    8,664.12x = 11,955.99 × 4,887.06
  4. Step 4: Simplify right side
    8,664.12x = 58,429,620.12
  5. Step 5: Solve for x
    x = 58,429,620.12/8,664.12
  6. Step 6: Final answer
    x = 6,743.86

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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.