Home / 5,080.95-7,611.71-3,429.36

Finding the Fourth Proportional to 5,080.95, 7,611.71 and 3,429.36

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Solution

The fourth proportional to 5,080.95, 7,611.71 and 3,429.36 is: 5,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.95 : 7,611.71 = 3,429.36 : x
  2. Step 2: Convert to fraction form
    5,080.95/7,611.71 = 3,429.36/x
  3. Step 3: Cross multiply
    5,080.95x = 7,611.71 × 3,429.36
  4. Step 4: Simplify right side
    5,080.95x = 26,103,276.66
  5. Step 5: Solve for x
    x = 26,103,276.66/5,080.95
  6. Step 6: Final answer
    x = 5,137.48

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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.