Home / 4,130.38-6,191.92-3,160.81

Finding the Fourth Proportional to 4,130.38, 6,191.92 and 3,160.81

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Solution

The fourth proportional to 4,130.38, 6,191.92 and 3,160.81 is: 4,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.38 : 6,191.92 = 3,160.81 : x
  2. Step 2: Convert to fraction form
    4,130.38/6,191.92 = 3,160.81/x
  3. Step 3: Cross multiply
    4,130.38x = 6,191.92 × 3,160.81
  4. Step 4: Simplify right side
    4,130.38x = 19,571,482.66
  5. Step 5: Solve for x
    x = 19,571,482.66/4,130.38
  6. Step 6: Final answer
    x = 4,738.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.