Home / 8,147.74-11,237.17-6,849.31

Finding the Fourth Proportional to 8,147.74, 11,237.17 and 6,849.31

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Solution

The fourth proportional to 8,147.74, 11,237.17 and 6,849.31 is: 9,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.74 : 11,237.17 = 6,849.31 : x
  2. Step 2: Convert to fraction form
    8,147.74/11,237.17 = 6,849.31/x
  3. Step 3: Cross multiply
    8,147.74x = 11,237.17 × 6,849.31
  4. Step 4: Simplify right side
    8,147.74x = 76,966,860.85
  5. Step 5: Solve for x
    x = 76,966,860.85/8,147.74
  6. Step 6: Final answer
    x = 9,446.41

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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.