Home / 4,077.54-6,109.92-3,155.40

Finding the Fourth Proportional to 4,077.54, 6,109.92 and 3,155.40

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Solution

The fourth proportional to 4,077.54, 6,109.92 and 3,155.40 is: 4,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.54 : 6,109.92 = 3,155.40 : x
  2. Step 2: Convert to fraction form
    4,077.54/6,109.92 = 3,155.40/x
  3. Step 3: Cross multiply
    4,077.54x = 6,109.92 × 3,155.40
  4. Step 4: Simplify right side
    4,077.54x = 19,279,241.57
  5. Step 5: Solve for x
    x = 19,279,241.57/4,077.54
  6. Step 6: Final answer
    x = 4,728.16

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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.