Home / 5,155.57-7,723.39-3,077.23

Finding the Fourth Proportional to 5,155.57, 7,723.39 and 3,077.23

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Solution

The fourth proportional to 5,155.57, 7,723.39 and 3,077.23 is: 4,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.57 : 7,723.39 = 3,077.23 : x
  2. Step 2: Convert to fraction form
    5,155.57/7,723.39 = 3,077.23/x
  3. Step 3: Cross multiply
    5,155.57x = 7,723.39 × 3,077.23
  4. Step 4: Simplify right side
    5,155.57x = 23,766,647.41
  5. Step 5: Solve for x
    x = 23,766,647.41/5,155.57
  6. Step 6: Final answer
    x = 4,609.90

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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.