Home / 5,510.85-7,599.74-3,619.09

Finding the Fourth Proportional to 5,510.85, 7,599.74 and 3,619.09

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Solution

The fourth proportional to 5,510.85, 7,599.74 and 3,619.09 is: 4,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.85 : 7,599.74 = 3,619.09 : x
  2. Step 2: Convert to fraction form
    5,510.85/7,599.74 = 3,619.09/x
  3. Step 3: Cross multiply
    5,510.85x = 7,599.74 × 3,619.09
  4. Step 4: Simplify right side
    5,510.85x = 27,504,143.04
  5. Step 5: Solve for x
    x = 27,504,143.04/5,510.85
  6. Step 6: Final answer
    x = 4,990.91

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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.