Home / 8,039.84-11,084.24-5,520.99

Finding the Fourth Proportional to 8,039.84, 11,084.24 and 5,520.99

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Solution

The fourth proportional to 8,039.84, 11,084.24 and 5,520.99 is: 7,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.84 : 11,084.24 = 5,520.99 : x
  2. Step 2: Convert to fraction form
    8,039.84/11,084.24 = 5,520.99/x
  3. Step 3: Cross multiply
    8,039.84x = 11,084.24 × 5,520.99
  4. Step 4: Simplify right side
    8,039.84x = 61,195,950.59
  5. Step 5: Solve for x
    x = 61,195,950.59/8,039.84
  6. Step 6: Final answer
    x = 7,611.59

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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.