Home / 6,917.84-10,376.72-3,218.03

Finding the Fourth Proportional to 6,917.84, 10,376.72 and 3,218.03

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Solution

The fourth proportional to 6,917.84, 10,376.72 and 3,218.03 is: 4,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.84 : 10,376.72 = 3,218.03 : x
  2. Step 2: Convert to fraction form
    6,917.84/10,376.72 = 3,218.03/x
  3. Step 3: Cross multiply
    6,917.84x = 10,376.72 × 3,218.03
  4. Step 4: Simplify right side
    6,917.84x = 33,392,528.29
  5. Step 5: Solve for x
    x = 33,392,528.29/6,917.84
  6. Step 6: Final answer
    x = 4,827.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.