Home / 9,085.70-13,628.55-3,240.95

Finding the Fourth Proportional to 9,085.70, 13,628.55 and 3,240.95

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Solution

The fourth proportional to 9,085.70, 13,628.55 and 3,240.95 is: 4,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.70 : 13,628.55 = 3,240.95 : x
  2. Step 2: Convert to fraction form
    9,085.70/13,628.55 = 3,240.95/x
  3. Step 3: Cross multiply
    9,085.70x = 13,628.55 × 3,240.95
  4. Step 4: Simplify right side
    9,085.70x = 44,169,380.98
  5. Step 5: Solve for x
    x = 44,169,380.98/9,085.70
  6. Step 6: Final answer
    x = 4,861.42

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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.