Home / 7,600.30-11,389.50-3,211.72

Finding the Fourth Proportional to 7,600.30, 11,389.50 and 3,211.72

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Solution

The fourth proportional to 7,600.30, 11,389.50 and 3,211.72 is: 4,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.30 : 11,389.50 = 3,211.72 : x
  2. Step 2: Convert to fraction form
    7,600.30/11,389.50 = 3,211.72/x
  3. Step 3: Cross multiply
    7,600.30x = 11,389.50 × 3,211.72
  4. Step 4: Simplify right side
    7,600.30x = 36,579,884.94
  5. Step 5: Solve for x
    x = 36,579,884.94/7,600.30
  6. Step 6: Final answer
    x = 4,812.95

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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.