Home / 9,113.60-13,672.78-2,873.82

Finding the Fourth Proportional to 9,113.60, 13,672.78 and 2,873.82

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Solution

The fourth proportional to 9,113.60, 13,672.78 and 2,873.82 is: 4,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 13,672.78 = 2,873.82 : x
  2. Step 2: Convert to fraction form
    9,113.60/13,672.78 = 2,873.82/x
  3. Step 3: Cross multiply
    9,113.60x = 13,672.78 × 2,873.82
  4. Step 4: Simplify right side
    9,113.60x = 39,293,108.62
  5. Step 5: Solve for x
    x = 39,293,108.62/9,113.60
  6. Step 6: Final answer
    x = 4,311.48

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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.