Home / 8,542.30-12,814.82-2,698.46

Finding the Fourth Proportional to 8,542.30, 12,814.82 and 2,698.46

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Solution

The fourth proportional to 8,542.30, 12,814.82 and 2,698.46 is: 4,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.30 : 12,814.82 = 2,698.46 : x
  2. Step 2: Convert to fraction form
    8,542.30/12,814.82 = 2,698.46/x
  3. Step 3: Cross multiply
    8,542.30x = 12,814.82 × 2,698.46
  4. Step 4: Simplify right side
    8,542.30x = 34,580,265.68
  5. Step 5: Solve for x
    x = 34,580,265.68/8,542.30
  6. Step 6: Final answer
    x = 4,048.12

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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.