Home / 7,857.08-11,785.63-2,310.43

Finding the Fourth Proportional to 7,857.08, 11,785.63 and 2,310.43

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Solution

The fourth proportional to 7,857.08, 11,785.63 and 2,310.43 is: 3,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.08 : 11,785.63 = 2,310.43 : x
  2. Step 2: Convert to fraction form
    7,857.08/11,785.63 = 2,310.43/x
  3. Step 3: Cross multiply
    7,857.08x = 11,785.63 × 2,310.43
  4. Step 4: Simplify right side
    7,857.08x = 27,229,832.10
  5. Step 5: Solve for x
    x = 27,229,832.10/7,857.08
  6. Step 6: Final answer
    x = 3,465.64

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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.