Home / 9,025.28-13,539.04-3,180.72

Finding the Fourth Proportional to 9,025.28, 13,539.04 and 3,180.72

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Solution

The fourth proportional to 9,025.28, 13,539.04 and 3,180.72 is: 4,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.28 : 13,539.04 = 3,180.72 : x
  2. Step 2: Convert to fraction form
    9,025.28/13,539.04 = 3,180.72/x
  3. Step 3: Cross multiply
    9,025.28x = 13,539.04 × 3,180.72
  4. Step 4: Simplify right side
    9,025.28x = 43,063,895.31
  5. Step 5: Solve for x
    x = 43,063,895.31/9,025.28
  6. Step 6: Final answer
    x = 4,771.47

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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.