Home / 8,678.33-13,014.55-2,833.57

Finding the Fourth Proportional to 8,678.33, 13,014.55 and 2,833.57

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Solution

The fourth proportional to 8,678.33, 13,014.55 and 2,833.57 is: 4,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.33 : 13,014.55 = 2,833.57 : x
  2. Step 2: Convert to fraction form
    8,678.33/13,014.55 = 2,833.57/x
  3. Step 3: Cross multiply
    8,678.33x = 13,014.55 × 2,833.57
  4. Step 4: Simplify right side
    8,678.33x = 36,877,638.44
  5. Step 5: Solve for x
    x = 36,877,638.44/8,678.33
  6. Step 6: Final answer
    x = 4,249.39

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1.5x scale

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.