Home / 7,103.96-9,806.40-4,450.76

Finding the Fourth Proportional to 7,103.96, 9,806.40 and 4,450.76

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Solution

The fourth proportional to 7,103.96, 9,806.40 and 4,450.76 is: 6,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.96 : 9,806.40 = 4,450.76 : x
  2. Step 2: Convert to fraction form
    7,103.96/9,806.40 = 4,450.76/x
  3. Step 3: Cross multiply
    7,103.96x = 9,806.40 × 4,450.76
  4. Step 4: Simplify right side
    7,103.96x = 43,645,932.86
  5. Step 5: Solve for x
    x = 43,645,932.86/7,103.96
  6. Step 6: Final answer
    x = 6,143.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.