Home / 8,703.05-13,053.33-2,780.61

Finding the Fourth Proportional to 8,703.05, 13,053.33 and 2,780.61

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Solution

The fourth proportional to 8,703.05, 13,053.33 and 2,780.61 is: 4,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.05 : 13,053.33 = 2,780.61 : x
  2. Step 2: Convert to fraction form
    8,703.05/13,053.33 = 2,780.61/x
  3. Step 3: Cross multiply
    8,703.05x = 13,053.33 × 2,780.61
  4. Step 4: Simplify right side
    8,703.05x = 36,296,236.59
  5. Step 5: Solve for x
    x = 36,296,236.59/8,703.05
  6. Step 6: Final answer
    x = 4,170.52

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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.