Home / 4,129.41-6,186.92-3,440.51

Finding the Fourth Proportional to 4,129.41, 6,186.92 and 3,440.51

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Solution

The fourth proportional to 4,129.41, 6,186.92 and 3,440.51 is: 5,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.41 : 6,186.92 = 3,440.51 : x
  2. Step 2: Convert to fraction form
    4,129.41/6,186.92 = 3,440.51/x
  3. Step 3: Cross multiply
    4,129.41x = 6,186.92 × 3,440.51
  4. Step 4: Simplify right side
    4,129.41x = 21,286,111.99
  5. Step 5: Solve for x
    x = 21,286,111.99/4,129.41
  6. Step 6: Final answer
    x = 5,154.76

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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.