Home / 5,918.69-8,170.13-3,560.38

Finding the Fourth Proportional to 5,918.69, 8,170.13 and 3,560.38

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Solution

The fourth proportional to 5,918.69, 8,170.13 and 3,560.38 is: 4,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.69 : 8,170.13 = 3,560.38 : x
  2. Step 2: Convert to fraction form
    5,918.69/8,170.13 = 3,560.38/x
  3. Step 3: Cross multiply
    5,918.69x = 8,170.13 × 3,560.38
  4. Step 4: Simplify right side
    5,918.69x = 29,088,767.45
  5. Step 5: Solve for x
    x = 29,088,767.45/5,918.69
  6. Step 6: Final answer
    x = 4,914.73

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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.