Home / 5,438.11-7,504.62-3,200.08

Finding the Fourth Proportional to 5,438.11, 7,504.62 and 3,200.08

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Solution

The fourth proportional to 5,438.11, 7,504.62 and 3,200.08 is: 4,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.11 : 7,504.62 = 3,200.08 : x
  2. Step 2: Convert to fraction form
    5,438.11/7,504.62 = 3,200.08/x
  3. Step 3: Cross multiply
    5,438.11x = 7,504.62 × 3,200.08
  4. Step 4: Simplify right side
    5,438.11x = 24,015,384.37
  5. Step 5: Solve for x
    x = 24,015,384.37/5,438.11
  6. Step 6: Final answer
    x = 4,416.13

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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.