Home / 10,379.46-15,576.66-4,135.86

Finding the Fourth Proportional to 10,379.46, 15,576.66 and 4,135.86

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Solution

The fourth proportional to 10,379.46, 15,576.66 and 4,135.86 is: 6,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.46 : 15,576.66 = 4,135.86 : x
  2. Step 2: Convert to fraction form
    10,379.46/15,576.66 = 4,135.86/x
  3. Step 3: Cross multiply
    10,379.46x = 15,576.66 × 4,135.86
  4. Step 4: Simplify right side
    10,379.46x = 64,422,885.03
  5. Step 5: Solve for x
    x = 64,422,885.03/10,379.46
  6. Step 6: Final answer
    x = 6,206.77

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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.