Home / 5,106.11-7,039.91-4,160.84

Finding the Fourth Proportional to 5,106.11, 7,039.91 and 4,160.84

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Solution

The fourth proportional to 5,106.11, 7,039.91 and 4,160.84 is: 5,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.11 : 7,039.91 = 4,160.84 : x
  2. Step 2: Convert to fraction form
    5,106.11/7,039.91 = 4,160.84/x
  3. Step 3: Cross multiply
    5,106.11x = 7,039.91 × 4,160.84
  4. Step 4: Simplify right side
    5,106.11x = 29,291,914.33
  5. Step 5: Solve for x
    x = 29,291,914.33/5,106.11
  6. Step 6: Final answer
    x = 5,736.65

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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.