Home / 8,732.90-13,095.33-2,808.69

Finding the Fourth Proportional to 8,732.90, 13,095.33 and 2,808.69

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Solution

The fourth proportional to 8,732.90, 13,095.33 and 2,808.69 is: 4,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.90 : 13,095.33 = 2,808.69 : x
  2. Step 2: Convert to fraction form
    8,732.90/13,095.33 = 2,808.69/x
  3. Step 3: Cross multiply
    8,732.90x = 13,095.33 × 2,808.69
  4. Step 4: Simplify right side
    8,732.90x = 36,780,708.37
  5. Step 5: Solve for x
    x = 36,780,708.37/8,732.90
  6. Step 6: Final answer
    x = 4,211.74

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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.