Home / 7,257.17-10,890.92-3,308.95

Finding the Fourth Proportional to 7,257.17, 10,890.92 and 3,308.95

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Solution

The fourth proportional to 7,257.17, 10,890.92 and 3,308.95 is: 4,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.17 : 10,890.92 = 3,308.95 : x
  2. Step 2: Convert to fraction form
    7,257.17/10,890.92 = 3,308.95/x
  3. Step 3: Cross multiply
    7,257.17x = 10,890.92 × 3,308.95
  4. Step 4: Simplify right side
    7,257.17x = 36,037,509.73
  5. Step 5: Solve for x
    x = 36,037,509.73/7,257.17
  6. Step 6: Final answer
    x = 4,965.78

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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.