Home / 8,664.28-11,956.47-4,887.30

Finding the Fourth Proportional to 8,664.28, 11,956.47 and 4,887.30

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Solution

The fourth proportional to 8,664.28, 11,956.47 and 4,887.30 is: 6,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.28 : 11,956.47 = 4,887.30 : x
  2. Step 2: Convert to fraction form
    8,664.28/11,956.47 = 4,887.30/x
  3. Step 3: Cross multiply
    8,664.28x = 11,956.47 × 4,887.30
  4. Step 4: Simplify right side
    8,664.28x = 58,434,866.26
  5. Step 5: Solve for x
    x = 58,434,866.26/8,664.28
  6. Step 6: Final answer
    x = 6,744.34

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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.