Home / 9,212.76-13,818.65-2,972.61

Finding the Fourth Proportional to 9,212.76, 13,818.65 and 2,972.61

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Solution

The fourth proportional to 9,212.76, 13,818.65 and 2,972.61 is: 4,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.76 : 13,818.65 = 2,972.61 : x
  2. Step 2: Convert to fraction form
    9,212.76/13,818.65 = 2,972.61/x
  3. Step 3: Cross multiply
    9,212.76x = 13,818.65 × 2,972.61
  4. Step 4: Simplify right side
    9,212.76x = 41,077,442.31
  5. Step 5: Solve for x
    x = 41,077,442.31/9,212.76
  6. Step 6: Final answer
    x = 4,458.76

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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.