Home / 8,150.49-11,219.13-7,100.73

Finding the Fourth Proportional to 8,150.49, 11,219.13 and 7,100.73

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Solution

The fourth proportional to 8,150.49, 11,219.13 and 7,100.73 is: 9,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.49 : 11,219.13 = 7,100.73 : x
  2. Step 2: Convert to fraction form
    8,150.49/11,219.13 = 7,100.73/x
  3. Step 3: Cross multiply
    8,150.49x = 11,219.13 × 7,100.73
  4. Step 4: Simplify right side
    8,150.49x = 79,664,012.96
  5. Step 5: Solve for x
    x = 79,664,012.96/8,150.49
  6. Step 6: Final answer
    x = 9,774.14

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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.