Home / 4,476.88-6,706.34-2,139.14

Finding the Fourth Proportional to 4,476.88, 6,706.34 and 2,139.14

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Solution

The fourth proportional to 4,476.88, 6,706.34 and 2,139.14 is: 3,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.88 : 6,706.34 = 2,139.14 : x
  2. Step 2: Convert to fraction form
    4,476.88/6,706.34 = 2,139.14/x
  3. Step 3: Cross multiply
    4,476.88x = 6,706.34 × 2,139.14
  4. Step 4: Simplify right side
    4,476.88x = 14,345,800.15
  5. Step 5: Solve for x
    x = 14,345,800.15/4,476.88
  6. Step 6: Final answer
    x = 3,204.42

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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.