Home / 5,438.44-7,504.84-3,080.64

Finding the Fourth Proportional to 5,438.44, 7,504.84 and 3,080.64

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Solution

The fourth proportional to 5,438.44, 7,504.84 and 3,080.64 is: 4,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.44 : 7,504.84 = 3,080.64 : x
  2. Step 2: Convert to fraction form
    5,438.44/7,504.84 = 3,080.64/x
  3. Step 3: Cross multiply
    5,438.44x = 7,504.84 × 3,080.64
  4. Step 4: Simplify right side
    5,438.44x = 23,119,710.30
  5. Step 5: Solve for x
    x = 23,119,710.30/5,438.44
  6. Step 6: Final answer
    x = 4,251.17

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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.