Home / 4,436.88-6,643.79-4,305.42

Finding the Fourth Proportional to 4,436.88, 6,643.79 and 4,305.42

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Solution

The fourth proportional to 4,436.88, 6,643.79 and 4,305.42 is: 6,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.88 : 6,643.79 = 4,305.42 : x
  2. Step 2: Convert to fraction form
    4,436.88/6,643.79 = 4,305.42/x
  3. Step 3: Cross multiply
    4,436.88x = 6,643.79 × 4,305.42
  4. Step 4: Simplify right side
    4,436.88x = 28,604,300.96
  5. Step 5: Solve for x
    x = 28,604,300.96/4,436.88
  6. Step 6: Final answer
    x = 6,446.95

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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.