Home / 5,180.86-7,149.27-3,084.58

Finding the Fourth Proportional to 5,180.86, 7,149.27 and 3,084.58

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Solution

The fourth proportional to 5,180.86, 7,149.27 and 3,084.58 is: 4,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.86 : 7,149.27 = 3,084.58 : x
  2. Step 2: Convert to fraction form
    5,180.86/7,149.27 = 3,084.58/x
  3. Step 3: Cross multiply
    5,180.86x = 7,149.27 × 3,084.58
  4. Step 4: Simplify right side
    5,180.86x = 22,052,495.26
  5. Step 5: Solve for x
    x = 22,052,495.26/5,180.86
  6. Step 6: Final answer
    x = 4,256.53

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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.