Home / 7,931.52-11,890.08-2,733.84

Finding the Fourth Proportional to 7,931.52, 11,890.08 and 2,733.84

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Solution

The fourth proportional to 7,931.52, 11,890.08 and 2,733.84 is: 4,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,890.08 = 2,733.84 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,890.08 = 2,733.84/x
  3. Step 3: Cross multiply
    7,931.52x = 11,890.08 × 2,733.84
  4. Step 4: Simplify right side
    7,931.52x = 32,505,576.31
  5. Step 5: Solve for x
    x = 32,505,576.31/7,931.52
  6. Step 6: Final answer
    x = 4,098.28

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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.