Home / 9,780.96-14,672.92-3,205.52

Finding the Fourth Proportional to 9,780.96, 14,672.92 and 3,205.52

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Solution

The fourth proportional to 9,780.96, 14,672.92 and 3,205.52 is: 4,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.96 : 14,672.92 = 3,205.52 : x
  2. Step 2: Convert to fraction form
    9,780.96/14,672.92 = 3,205.52/x
  3. Step 3: Cross multiply
    9,780.96x = 14,672.92 × 3,205.52
  4. Step 4: Simplify right side
    9,780.96x = 47,034,338.52
  5. Step 5: Solve for x
    x = 47,034,338.52/9,780.96
  6. Step 6: Final answer
    x = 4,808.77

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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.