Home / 8,664.17-11,956.56-4,685.28

Finding the Fourth Proportional to 8,664.17, 11,956.56 and 4,685.28

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Solution

The fourth proportional to 8,664.17, 11,956.56 and 4,685.28 is: 6,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.17 : 11,956.56 = 4,685.28 : x
  2. Step 2: Convert to fraction form
    8,664.17/11,956.56 = 4,685.28/x
  3. Step 3: Cross multiply
    8,664.17x = 11,956.56 × 4,685.28
  4. Step 4: Simplify right side
    8,664.17x = 56,019,872.73
  5. Step 5: Solve for x
    x = 56,019,872.73/8,664.17
  6. Step 6: Final answer
    x = 6,465.69

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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.