Home / 6,916.57-10,381.34-3,221.35

Finding the Fourth Proportional to 6,916.57, 10,381.34 and 3,221.35

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Solution

The fourth proportional to 6,916.57, 10,381.34 and 3,221.35 is: 4,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.57 : 10,381.34 = 3,221.35 : x
  2. Step 2: Convert to fraction form
    6,916.57/10,381.34 = 3,221.35/x
  3. Step 3: Cross multiply
    6,916.57x = 10,381.34 × 3,221.35
  4. Step 4: Simplify right side
    6,916.57x = 33,441,913.50
  5. Step 5: Solve for x
    x = 33,441,913.50/6,916.57
  6. Step 6: Final answer
    x = 4,835.04

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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.