Home / 6,786.10-10,156.47-3,863.62

Finding the Fourth Proportional to 6,786.10, 10,156.47 and 3,863.62

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Solution

The fourth proportional to 6,786.10, 10,156.47 and 3,863.62 is: 5,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.10 : 10,156.47 = 3,863.62 : x
  2. Step 2: Convert to fraction form
    6,786.10/10,156.47 = 3,863.62/x
  3. Step 3: Cross multiply
    6,786.10x = 10,156.47 × 3,863.62
  4. Step 4: Simplify right side
    6,786.10x = 39,240,740.62
  5. Step 5: Solve for x
    x = 39,240,740.62/6,786.10
  6. Step 6: Final answer
    x = 5,782.52

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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.