Home / 5,745-7,931.82-4,483.86

Finding the Fourth Proportional to 5,745, 7,931.82 and 4,483.86

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Solution

The fourth proportional to 5,745, 7,931.82 and 4,483.86 is: 6,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745 : 7,931.82 = 4,483.86 : x
  2. Step 2: Convert to fraction form
    5,745/7,931.82 = 4,483.86/x
  3. Step 3: Cross multiply
    5,745x = 7,931.82 × 4,483.86
  4. Step 4: Simplify right side
    5,745x = 35,565,170.43
  5. Step 5: Solve for x
    x = 35,565,170.43/5,745
  6. Step 6: Final answer
    x = 6,190.63

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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.