Home / 4,155.66-6,222.15-3,177.18

Finding the Fourth Proportional to 4,155.66, 6,222.15 and 3,177.18

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Solution

The fourth proportional to 4,155.66, 6,222.15 and 3,177.18 is: 4,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.66 : 6,222.15 = 3,177.18 : x
  2. Step 2: Convert to fraction form
    4,155.66/6,222.15 = 3,177.18/x
  3. Step 3: Cross multiply
    4,155.66x = 6,222.15 × 3,177.18
  4. Step 4: Simplify right side
    4,155.66x = 19,768,890.54
  5. Step 5: Solve for x
    x = 19,768,890.54/4,155.66
  6. Step 6: Final answer
    x = 4,757.10

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1.5x scale

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.