Home / 7,881.63-11,818.91-2,333.94

Finding the Fourth Proportional to 7,881.63, 11,818.91 and 2,333.94

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Solution

The fourth proportional to 7,881.63, 11,818.91 and 2,333.94 is: 3,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.63 : 11,818.91 = 2,333.94 : x
  2. Step 2: Convert to fraction form
    7,881.63/11,818.91 = 2,333.94/x
  3. Step 3: Cross multiply
    7,881.63x = 11,818.91 × 2,333.94
  4. Step 4: Simplify right side
    7,881.63x = 27,584,621.56
  5. Step 5: Solve for x
    x = 27,584,621.56/7,881.63
  6. Step 6: Final answer
    x = 3,499.86

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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.