Home / 10,576.45-15,865.76-2,785.87

Finding the Fourth Proportional to 10,576.45, 15,865.76 and 2,785.87

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Solution

The fourth proportional to 10,576.45, 15,865.76 and 2,785.87 is: 4,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.45 : 15,865.76 = 2,785.87 : x
  2. Step 2: Convert to fraction form
    10,576.45/15,865.76 = 2,785.87/x
  3. Step 3: Cross multiply
    10,576.45x = 15,865.76 × 2,785.87
  4. Step 4: Simplify right side
    10,576.45x = 44,199,944.81
  5. Step 5: Solve for x
    x = 44,199,944.81/10,576.45
  6. Step 6: Final answer
    x = 4,179.09

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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.