Home / 4,640.84-6,961.28-1,178.09

Finding the Fourth Proportional to 4,640.84, 6,961.28 and 1,178.09

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Solution

The fourth proportional to 4,640.84, 6,961.28 and 1,178.09 is: 1,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.84 : 6,961.28 = 1,178.09 : x
  2. Step 2: Convert to fraction form
    4,640.84/6,961.28 = 1,178.09/x
  3. Step 3: Cross multiply
    4,640.84x = 6,961.28 × 1,178.09
  4. Step 4: Simplify right side
    4,640.84x = 8,201,014.36
  5. Step 5: Solve for x
    x = 8,201,014.36/4,640.84
  6. Step 6: Final answer
    x = 1,767.14

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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.