Home / 5,449.80-7,519.98-3,059.28

Finding the Fourth Proportional to 5,449.80, 7,519.98 and 3,059.28

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Solution

The fourth proportional to 5,449.80, 7,519.98 and 3,059.28 is: 4,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.80 : 7,519.98 = 3,059.28 : x
  2. Step 2: Convert to fraction form
    5,449.80/7,519.98 = 3,059.28/x
  3. Step 3: Cross multiply
    5,449.80x = 7,519.98 × 3,059.28
  4. Step 4: Simplify right side
    5,449.80x = 23,005,724.41
  5. Step 5: Solve for x
    x = 23,005,724.41/5,449.80
  6. Step 6: Final answer
    x = 4,221.39

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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.