Home / 4,639.12-6,961.07-2,174.19

Finding the Fourth Proportional to 4,639.12, 6,961.07 and 2,174.19

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Solution

The fourth proportional to 4,639.12, 6,961.07 and 2,174.19 is: 3,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.12 : 6,961.07 = 2,174.19 : x
  2. Step 2: Convert to fraction form
    4,639.12/6,961.07 = 2,174.19/x
  3. Step 3: Cross multiply
    4,639.12x = 6,961.07 × 2,174.19
  4. Step 4: Simplify right side
    4,639.12x = 15,134,643.11
  5. Step 5: Solve for x
    x = 15,134,643.11/4,639.12
  6. Step 6: Final answer
    x = 3,262.40

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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.