Home / 6,138.79-8,468.35-4,150.04

Finding the Fourth Proportional to 6,138.79, 8,468.35 and 4,150.04

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Solution

The fourth proportional to 6,138.79, 8,468.35 and 4,150.04 is: 5,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.79 : 8,468.35 = 4,150.04 : x
  2. Step 2: Convert to fraction form
    6,138.79/8,468.35 = 4,150.04/x
  3. Step 3: Cross multiply
    6,138.79x = 8,468.35 × 4,150.04
  4. Step 4: Simplify right side
    6,138.79x = 35,143,938.52
  5. Step 5: Solve for x
    x = 35,143,938.52/6,138.79
  6. Step 6: Final answer
    x = 5,724.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.