Home / 7,857.56-11,785.05-2,310.27

Finding the Fourth Proportional to 7,857.56, 11,785.05 and 2,310.27

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Solution

The fourth proportional to 7,857.56, 11,785.05 and 2,310.27 is: 3,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.56 : 11,785.05 = 2,310.27 : x
  2. Step 2: Convert to fraction form
    7,857.56/11,785.05 = 2,310.27/x
  3. Step 3: Cross multiply
    7,857.56x = 11,785.05 × 2,310.27
  4. Step 4: Simplify right side
    7,857.56x = 27,226,647.46
  5. Step 5: Solve for x
    x = 27,226,647.46/7,857.56
  6. Step 6: Final answer
    x = 3,465.03

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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.