Home / 7,904.35-11,857.20-2,357.34

Finding the Fourth Proportional to 7,904.35, 11,857.20 and 2,357.34

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Solution

The fourth proportional to 7,904.35, 11,857.20 and 2,357.34 is: 3,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.35 : 11,857.20 = 2,357.34 : x
  2. Step 2: Convert to fraction form
    7,904.35/11,857.20 = 2,357.34/x
  3. Step 3: Cross multiply
    7,904.35x = 11,857.20 × 2,357.34
  4. Step 4: Simplify right side
    7,904.35x = 27,951,451.85
  5. Step 5: Solve for x
    x = 27,951,451.85/7,904.35
  6. Step 6: Final answer
    x = 3,536.21

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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.