Home / 7,785.32-11,677.68-2,238.68

Finding the Fourth Proportional to 7,785.32, 11,677.68 and 2,238.68

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Solution

The fourth proportional to 7,785.32, 11,677.68 and 2,238.68 is: 3,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.32 : 11,677.68 = 2,238.68 : x
  2. Step 2: Convert to fraction form
    7,785.32/11,677.68 = 2,238.68/x
  3. Step 3: Cross multiply
    7,785.32x = 11,677.68 × 2,238.68
  4. Step 4: Simplify right side
    7,785.32x = 26,142,588.66
  5. Step 5: Solve for x
    x = 26,142,588.66/7,785.32
  6. Step 6: Final answer
    x = 3,357.93

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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.