Home / 8,675.12-13,015.42-2,830.37

Finding the Fourth Proportional to 8,675.12, 13,015.42 and 2,830.37

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Solution

The fourth proportional to 8,675.12, 13,015.42 and 2,830.37 is: 4,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.12 : 13,015.42 = 2,830.37 : x
  2. Step 2: Convert to fraction form
    8,675.12/13,015.42 = 2,830.37/x
  3. Step 3: Cross multiply
    8,675.12x = 13,015.42 × 2,830.37
  4. Step 4: Simplify right side
    8,675.12x = 36,838,382.15
  5. Step 5: Solve for x
    x = 36,838,382.15/8,675.12
  6. Step 6: Final answer
    x = 4,246.44

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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.