Home / 8,975.80-13,464.34-2,820.28

Finding the Fourth Proportional to 8,975.80, 13,464.34 and 2,820.28

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Solution

The fourth proportional to 8,975.80, 13,464.34 and 2,820.28 is: 4,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.80 : 13,464.34 = 2,820.28 : x
  2. Step 2: Convert to fraction form
    8,975.80/13,464.34 = 2,820.28/x
  3. Step 3: Cross multiply
    8,975.80x = 13,464.34 × 2,820.28
  4. Step 4: Simplify right side
    8,975.80x = 37,973,208.82
  5. Step 5: Solve for x
    x = 37,973,208.82/8,975.80
  6. Step 6: Final answer
    x = 4,230.62

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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.