Home / 4,177.20-6,265.80-3,860.40

Finding the Fourth Proportional to 4,177.20, 6,265.80 and 3,860.40

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Solution

The fourth proportional to 4,177.20, 6,265.80 and 3,860.40 is: 5,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.20 : 6,265.80 = 3,860.40 : x
  2. Step 2: Convert to fraction form
    4,177.20/6,265.80 = 3,860.40/x
  3. Step 3: Cross multiply
    4,177.20x = 6,265.80 × 3,860.40
  4. Step 4: Simplify right side
    4,177.20x = 24,188,494.32
  5. Step 5: Solve for x
    x = 24,188,494.32/4,177.20
  6. Step 6: Final answer
    x = 5,790.60

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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.