Home / 8,148.94-11,242.13-5,491.73

Finding the Fourth Proportional to 8,148.94, 11,242.13 and 5,491.73

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Solution

The fourth proportional to 8,148.94, 11,242.13 and 5,491.73 is: 7,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.94 : 11,242.13 = 5,491.73 : x
  2. Step 2: Convert to fraction form
    8,148.94/11,242.13 = 5,491.73/x
  3. Step 3: Cross multiply
    8,148.94x = 11,242.13 × 5,491.73
  4. Step 4: Simplify right side
    8,148.94x = 61,738,743.23
  5. Step 5: Solve for x
    x = 61,738,743.23/8,148.94
  6. Step 6: Final answer
    x = 7,576.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.