Home / 6,876.21-10,307.70-2,714.79

Finding the Fourth Proportional to 6,876.21, 10,307.70 and 2,714.79

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Solution

The fourth proportional to 6,876.21, 10,307.70 and 2,714.79 is: 4,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.21 : 10,307.70 = 2,714.79 : x
  2. Step 2: Convert to fraction form
    6,876.21/10,307.70 = 2,714.79/x
  3. Step 3: Cross multiply
    6,876.21x = 10,307.70 × 2,714.79
  4. Step 4: Simplify right side
    6,876.21x = 27,983,240.88
  5. Step 5: Solve for x
    x = 27,983,240.88/6,876.21
  6. Step 6: Final answer
    x = 4,069.57

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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.