Home / 4,651.45-6,411.92-3,940.67

Finding the Fourth Proportional to 4,651.45, 6,411.92 and 3,940.67

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Solution

The fourth proportional to 4,651.45, 6,411.92 and 3,940.67 is: 5,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.45 : 6,411.92 = 3,940.67 : x
  2. Step 2: Convert to fraction form
    4,651.45/6,411.92 = 3,940.67/x
  3. Step 3: Cross multiply
    4,651.45x = 6,411.92 × 3,940.67
  4. Step 4: Simplify right side
    4,651.45x = 25,267,257.11
  5. Step 5: Solve for x
    x = 25,267,257.11/4,651.45
  6. Step 6: Final answer
    x = 5,432.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.