Home / 7,858.41-11,786.39-2,310.72

Finding the Fourth Proportional to 7,858.41, 11,786.39 and 2,310.72

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Solution

The fourth proportional to 7,858.41, 11,786.39 and 2,310.72 is: 3,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.41 : 11,786.39 = 2,310.72 : x
  2. Step 2: Convert to fraction form
    7,858.41/11,786.39 = 2,310.72/x
  3. Step 3: Cross multiply
    7,858.41x = 11,786.39 × 2,310.72
  4. Step 4: Simplify right side
    7,858.41x = 27,235,047.10
  5. Step 5: Solve for x
    x = 27,235,047.10/7,858.41
  6. Step 6: Final answer
    x = 3,465.72

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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.