Home / 9,134.49-13,690.72-4,447.48

Finding the Fourth Proportional to 9,134.49, 13,690.72 and 4,447.48

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Solution

The fourth proportional to 9,134.49, 13,690.72 and 4,447.48 is: 6,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.49 : 13,690.72 = 4,447.48 : x
  2. Step 2: Convert to fraction form
    9,134.49/13,690.72 = 4,447.48/x
  3. Step 3: Cross multiply
    9,134.49x = 13,690.72 × 4,447.48
  4. Step 4: Simplify right side
    9,134.49x = 60,889,203.39
  5. Step 5: Solve for x
    x = 60,889,203.39/9,134.49
  6. Step 6: Final answer
    x = 6,665.86

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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.