Home / 6,406.46-8,841.63-3,756.11

Finding the Fourth Proportional to 6,406.46, 8,841.63 and 3,756.11

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Solution

The fourth proportional to 6,406.46, 8,841.63 and 3,756.11 is: 5,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.46 : 8,841.63 = 3,756.11 : x
  2. Step 2: Convert to fraction form
    6,406.46/8,841.63 = 3,756.11/x
  3. Step 3: Cross multiply
    6,406.46x = 8,841.63 × 3,756.11
  4. Step 4: Simplify right side
    6,406.46x = 33,210,134.86
  5. Step 5: Solve for x
    x = 33,210,134.86/6,406.46
  6. Step 6: Final answer
    x = 5,183.85

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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.