Home / 5,438.19-7,504.54-3,199.55

Finding the Fourth Proportional to 5,438.19, 7,504.54 and 3,199.55

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Solution

The fourth proportional to 5,438.19, 7,504.54 and 3,199.55 is: 4,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.19 : 7,504.54 = 3,199.55 : x
  2. Step 2: Convert to fraction form
    5,438.19/7,504.54 = 3,199.55/x
  3. Step 3: Cross multiply
    5,438.19x = 7,504.54 × 3,199.55
  4. Step 4: Simplify right side
    5,438.19x = 24,011,097.44
  5. Step 5: Solve for x
    x = 24,011,097.44/5,438.19
  6. Step 6: Final answer
    x = 4,415.28

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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.