Home / 6,436.26-8,882.20-3,603.62

Finding the Fourth Proportional to 6,436.26, 8,882.20 and 3,603.62

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Solution

The fourth proportional to 6,436.26, 8,882.20 and 3,603.62 is: 4,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.26 : 8,882.20 = 3,603.62 : x
  2. Step 2: Convert to fraction form
    6,436.26/8,882.20 = 3,603.62/x
  3. Step 3: Cross multiply
    6,436.26x = 8,882.20 × 3,603.62
  4. Step 4: Simplify right side
    6,436.26x = 32,008,073.56
  5. Step 5: Solve for x
    x = 32,008,073.56/6,436.26
  6. Step 6: Final answer
    x = 4,973.09

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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.