Home / 5,565.28-8,336.16-3,611.68

Finding the Fourth Proportional to 5,565.28, 8,336.16 and 3,611.68

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Solution

The fourth proportional to 5,565.28, 8,336.16 and 3,611.68 is: 5,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.28 : 8,336.16 = 3,611.68 : x
  2. Step 2: Convert to fraction form
    5,565.28/8,336.16 = 3,611.68/x
  3. Step 3: Cross multiply
    5,565.28x = 8,336.16 × 3,611.68
  4. Step 4: Simplify right side
    5,565.28x = 30,107,542.35
  5. Step 5: Solve for x
    x = 30,107,542.35/5,565.28
  6. Step 6: Final answer
    x = 5,409.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.