Home / 4,139.65-6,213.37-1,509.70

Finding the Fourth Proportional to 4,139.65, 6,213.37 and 1,509.70

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Solution

The fourth proportional to 4,139.65, 6,213.37 and 1,509.70 is: 2,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.65 : 6,213.37 = 1,509.70 : x
  2. Step 2: Convert to fraction form
    4,139.65/6,213.37 = 1,509.70/x
  3. Step 3: Cross multiply
    4,139.65x = 6,213.37 × 1,509.70
  4. Step 4: Simplify right side
    4,139.65x = 9,380,324.69
  5. Step 5: Solve for x
    x = 9,380,324.69/4,139.65
  6. Step 6: Final answer
    x = 2,265.97

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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.