Home / 6,155.54-8,497.38-4,172.12

Finding the Fourth Proportional to 6,155.54, 8,497.38 and 4,172.12

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Solution

The fourth proportional to 6,155.54, 8,497.38 and 4,172.12 is: 5,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.54 : 8,497.38 = 4,172.12 : x
  2. Step 2: Convert to fraction form
    6,155.54/8,497.38 = 4,172.12/x
  3. Step 3: Cross multiply
    6,155.54x = 8,497.38 × 4,172.12
  4. Step 4: Simplify right side
    6,155.54x = 35,452,089.05
  5. Step 5: Solve for x
    x = 35,452,089.05/6,155.54
  6. Step 6: Final answer
    x = 5,759.38

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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.