Home / 5,143.86-7,097.22-3,255.39

Finding the Fourth Proportional to 5,143.86, 7,097.22 and 3,255.39

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Solution

The fourth proportional to 5,143.86, 7,097.22 and 3,255.39 is: 4,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.86 : 7,097.22 = 3,255.39 : x
  2. Step 2: Convert to fraction form
    5,143.86/7,097.22 = 3,255.39/x
  3. Step 3: Cross multiply
    5,143.86x = 7,097.22 × 3,255.39
  4. Step 4: Simplify right side
    5,143.86x = 23,104,219.02
  5. Step 5: Solve for x
    x = 23,104,219.02/5,143.86
  6. Step 6: Final answer
    x = 4,491.61

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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.