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Finding the Fourth Proportional to 8,313.84, 11,472.78 and 4,956.57

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Solution

The fourth proportional to 8,313.84, 11,472.78 and 4,956.57 is: 6,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.84 : 11,472.78 = 4,956.57 : x
  2. Step 2: Convert to fraction form
    8,313.84/11,472.78 = 4,956.57/x
  3. Step 3: Cross multiply
    8,313.84x = 11,472.78 × 4,956.57
  4. Step 4: Simplify right side
    8,313.84x = 56,865,637.16
  5. Step 5: Solve for x
    x = 56,865,637.16/8,313.84
  6. Step 6: Final answer
    x = 6,839.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.