Home / 8,147.34-11,243.52-4,610.70

Finding the Fourth Proportional to 8,147.34, 11,243.52 and 4,610.70

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Solution

The fourth proportional to 8,147.34, 11,243.52 and 4,610.70 is: 6,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.34 : 11,243.52 = 4,610.70 : x
  2. Step 2: Convert to fraction form
    8,147.34/11,243.52 = 4,610.70/x
  3. Step 3: Cross multiply
    8,147.34x = 11,243.52 × 4,610.70
  4. Step 4: Simplify right side
    8,147.34x = 51,840,497.66
  5. Step 5: Solve for x
    x = 51,840,497.66/8,147.34
  6. Step 6: Final answer
    x = 6,362.87

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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.