Home / 8,154.84-11,260.56-5,175.96

Finding the Fourth Proportional to 8,154.84, 11,260.56 and 5,175.96

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Solution

The fourth proportional to 8,154.84, 11,260.56 and 5,175.96 is: 7,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.84 : 11,260.56 = 5,175.96 : x
  2. Step 2: Convert to fraction form
    8,154.84/11,260.56 = 5,175.96/x
  3. Step 3: Cross multiply
    8,154.84x = 11,260.56 × 5,175.96
  4. Step 4: Simplify right side
    8,154.84x = 58,284,208.14
  5. Step 5: Solve for x
    x = 58,284,208.14/8,154.84
  6. Step 6: Final answer
    x = 7,147.19

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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.