Home / 6,138.10-8,470.58-3,343.60

Finding the Fourth Proportional to 6,138.10, 8,470.58 and 3,343.60

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Solution

The fourth proportional to 6,138.10, 8,470.58 and 3,343.60 is: 4,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.10 : 8,470.58 = 3,343.60 : x
  2. Step 2: Convert to fraction form
    6,138.10/8,470.58 = 3,343.60/x
  3. Step 3: Cross multiply
    6,138.10x = 8,470.58 × 3,343.60
  4. Step 4: Simplify right side
    6,138.10x = 28,322,243.97
  5. Step 5: Solve for x
    x = 28,322,243.97/6,138.10
  6. Step 6: Final answer
    x = 4,614.17

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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.