Home / 6,871.96-10,307.85-1,677.88

Finding the Fourth Proportional to 6,871.96, 10,307.85 and 1,677.88

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Solution

The fourth proportional to 6,871.96, 10,307.85 and 1,677.88 is: 2,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.96 : 10,307.85 = 1,677.88 : x
  2. Step 2: Convert to fraction form
    6,871.96/10,307.85 = 1,677.88/x
  3. Step 3: Cross multiply
    6,871.96x = 10,307.85 × 1,677.88
  4. Step 4: Simplify right side
    6,871.96x = 17,295,335.36
  5. Step 5: Solve for x
    x = 17,295,335.36/6,871.96
  6. Step 6: Final answer
    x = 2,516.80

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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.