Home / 8,677.67-13,021.86-3,411.76

Finding the Fourth Proportional to 8,677.67, 13,021.86 and 3,411.76

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Solution

The fourth proportional to 8,677.67, 13,021.86 and 3,411.76 is: 5,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.67 : 13,021.86 = 3,411.76 : x
  2. Step 2: Convert to fraction form
    8,677.67/13,021.86 = 3,411.76/x
  3. Step 3: Cross multiply
    8,677.67x = 13,021.86 × 3,411.76
  4. Step 4: Simplify right side
    8,677.67x = 44,427,461.07
  5. Step 5: Solve for x
    x = 44,427,461.07/8,677.67
  6. Step 6: Final answer
    x = 5,119.75

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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.