Home / 7,640.46-11,463.95-3,199.16

Finding the Fourth Proportional to 7,640.46, 11,463.95 and 3,199.16

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Solution

The fourth proportional to 7,640.46, 11,463.95 and 3,199.16 is: 4,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.46 : 11,463.95 = 3,199.16 : x
  2. Step 2: Convert to fraction form
    7,640.46/11,463.95 = 3,199.16/x
  3. Step 3: Cross multiply
    7,640.46x = 11,463.95 × 3,199.16
  4. Step 4: Simplify right side
    7,640.46x = 36,675,010.28
  5. Step 5: Solve for x
    x = 36,675,010.28/7,640.46
  6. Step 6: Final answer
    x = 4,800.11

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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.