Home / 8,427.66-11,629.62-5,069.85

Finding the Fourth Proportional to 8,427.66, 11,629.62 and 5,069.85

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Solution

The fourth proportional to 8,427.66, 11,629.62 and 5,069.85 is: 6,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.66 : 11,629.62 = 5,069.85 : x
  2. Step 2: Convert to fraction form
    8,427.66/11,629.62 = 5,069.85/x
  3. Step 3: Cross multiply
    8,427.66x = 11,629.62 × 5,069.85
  4. Step 4: Simplify right side
    8,427.66x = 58,960,428.96
  5. Step 5: Solve for x
    x = 58,960,428.96/8,427.66
  6. Step 6: Final answer
    x = 6,996.06

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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.