Home / 5,080.32-7,611.57-3,611.79

Finding the Fourth Proportional to 5,080.32, 7,611.57 and 3,611.79

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Solution

The fourth proportional to 5,080.32, 7,611.57 and 3,611.79 is: 5,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.32 : 7,611.57 = 3,611.79 : x
  2. Step 2: Convert to fraction form
    5,080.32/7,611.57 = 3,611.79/x
  3. Step 3: Cross multiply
    5,080.32x = 7,611.57 × 3,611.79
  4. Step 4: Simplify right side
    5,080.32x = 27,491,392.41
  5. Step 5: Solve for x
    x = 27,491,392.41/5,080.32
  6. Step 6: Final answer
    x = 5,411.35

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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.