Home / 3,565.61-5,348.79-933.15

Finding the Fourth Proportional to 3,565.61, 5,348.79 and 933.15

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Solution

The fourth proportional to 3,565.61, 5,348.79 and 933.15 is: 1,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.61 : 5,348.79 = 933.15 : x
  2. Step 2: Convert to fraction form
    3,565.61/5,348.79 = 933.15/x
  3. Step 3: Cross multiply
    3,565.61x = 5,348.79 × 933.15
  4. Step 4: Simplify right side
    3,565.61x = 4,991,223.39
  5. Step 5: Solve for x
    x = 4,991,223.39/3,565.61
  6. Step 6: Final answer
    x = 1,399.83

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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.