Home / 8,677.77-13,016.70-2,103.96

Finding the Fourth Proportional to 8,677.77, 13,016.70 and 2,103.96

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Solution

The fourth proportional to 8,677.77, 13,016.70 and 2,103.96 is: 3,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.77 : 13,016.70 = 2,103.96 : x
  2. Step 2: Convert to fraction form
    8,677.77/13,016.70 = 2,103.96/x
  3. Step 3: Cross multiply
    8,677.77x = 13,016.70 × 2,103.96
  4. Step 4: Simplify right side
    8,677.77x = 27,386,564.69
  5. Step 5: Solve for x
    x = 27,386,564.69/8,677.77
  6. Step 6: Final answer
    x = 3,155.94

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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.