Home / 5,436.45-8,153.82-4,517.91

Finding the Fourth Proportional to 5,436.45, 8,153.82 and 4,517.91

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Solution

The fourth proportional to 5,436.45, 8,153.82 and 4,517.91 is: 6,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.45 : 8,153.82 = 4,517.91 : x
  2. Step 2: Convert to fraction form
    5,436.45/8,153.82 = 4,517.91/x
  3. Step 3: Cross multiply
    5,436.45x = 8,153.82 × 4,517.91
  4. Step 4: Simplify right side
    5,436.45x = 36,838,224.92
  5. Step 5: Solve for x
    x = 36,838,224.92/5,436.45
  6. Step 6: Final answer
    x = 6,776.15

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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.