Home / 6,436.85-8,882.20-3,604.04

Finding the Fourth Proportional to 6,436.85, 8,882.20 and 3,604.04

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Solution

The fourth proportional to 6,436.85, 8,882.20 and 3,604.04 is: 4,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.85 : 8,882.20 = 3,604.04 : x
  2. Step 2: Convert to fraction form
    6,436.85/8,882.20 = 3,604.04/x
  3. Step 3: Cross multiply
    6,436.85x = 8,882.20 × 3,604.04
  4. Step 4: Simplify right side
    6,436.85x = 32,011,804.09
  5. Step 5: Solve for x
    x = 32,011,804.09/6,436.85
  6. Step 6: Final answer
    x = 4,973.21

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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.