Home / 8,664.32-11,956.74-4,887.47

Finding the Fourth Proportional to 8,664.32, 11,956.74 and 4,887.47

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Solution

The fourth proportional to 8,664.32, 11,956.74 and 4,887.47 is: 6,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.32 : 11,956.74 = 4,887.47 : x
  2. Step 2: Convert to fraction form
    8,664.32/11,956.74 = 4,887.47/x
  3. Step 3: Cross multiply
    8,664.32x = 11,956.74 × 4,887.47
  4. Step 4: Simplify right side
    8,664.32x = 58,438,208.05
  5. Step 5: Solve for x
    x = 58,438,208.05/8,664.32
  6. Step 6: Final answer
    x = 6,744.70

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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.