Home / 4,155.40-6,233.10-3,928.60

Finding the Fourth Proportional to 4,155.40, 6,233.10 and 3,928.60

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Solution

The fourth proportional to 4,155.40, 6,233.10 and 3,928.60 is: 5,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.40 : 6,233.10 = 3,928.60 : x
  2. Step 2: Convert to fraction form
    4,155.40/6,233.10 = 3,928.60/x
  3. Step 3: Cross multiply
    4,155.40x = 6,233.10 × 3,928.60
  4. Step 4: Simplify right side
    4,155.40x = 24,487,356.66
  5. Step 5: Solve for x
    x = 24,487,356.66/4,155.40
  6. Step 6: Final answer
    x = 5,892.90

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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.