Home / 8,664.23-11,956.35-4,887.49

Finding the Fourth Proportional to 8,664.23, 11,956.35 and 4,887.49

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Solution

The fourth proportional to 8,664.23, 11,956.35 and 4,887.49 is: 6,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.23 : 11,956.35 = 4,887.49 : x
  2. Step 2: Convert to fraction form
    8,664.23/11,956.35 = 4,887.49/x
  3. Step 3: Cross multiply
    8,664.23x = 11,956.35 × 4,887.49
  4. Step 4: Simplify right side
    8,664.23x = 58,436,541.06
  5. Step 5: Solve for x
    x = 58,436,541.06/8,664.23
  6. Step 6: Final answer
    x = 6,744.57

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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.