Home / 7,931.37-11,898.27-2,384.09

Finding the Fourth Proportional to 7,931.37, 11,898.27 and 2,384.09

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Solution

The fourth proportional to 7,931.37, 11,898.27 and 2,384.09 is: 3,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.37 : 11,898.27 = 2,384.09 : x
  2. Step 2: Convert to fraction form
    7,931.37/11,898.27 = 2,384.09/x
  3. Step 3: Cross multiply
    7,931.37x = 11,898.27 × 2,384.09
  4. Step 4: Simplify right side
    7,931.37x = 28,366,487.03
  5. Step 5: Solve for x
    x = 28,366,487.03/7,931.37
  6. Step 6: Final answer
    x = 3,576.49

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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.