Home / 5,438.32-7,504.86-3,200.18

Finding the Fourth Proportional to 5,438.32, 7,504.86 and 3,200.18

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Solution

The fourth proportional to 5,438.32, 7,504.86 and 3,200.18 is: 4,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.32 : 7,504.86 = 3,200.18 : x
  2. Step 2: Convert to fraction form
    5,438.32/7,504.86 = 3,200.18/x
  3. Step 3: Cross multiply
    5,438.32x = 7,504.86 × 3,200.18
  4. Step 4: Simplify right side
    5,438.32x = 24,016,902.87
  5. Step 5: Solve for x
    x = 24,016,902.87/5,438.32
  6. Step 6: Final answer
    x = 4,416.24

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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.