Home / 4,639.64-6,961.69-2,174.06

Finding the Fourth Proportional to 4,639.64, 6,961.69 and 2,174.06

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Solution

The fourth proportional to 4,639.64, 6,961.69 and 2,174.06 is: 3,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.64 : 6,961.69 = 2,174.06 : x
  2. Step 2: Convert to fraction form
    4,639.64/6,961.69 = 2,174.06/x
  3. Step 3: Cross multiply
    4,639.64x = 6,961.69 × 2,174.06
  4. Step 4: Simplify right side
    4,639.64x = 15,135,131.76
  5. Step 5: Solve for x
    x = 15,135,131.76/4,639.64
  6. Step 6: Final answer
    x = 3,262.13

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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.